Satomi Mochizuki

**Overview**
Gallery
Synopsis
Relationships

> "I saw her training and working hard for what she wants, she never gives up and that's what I like about her. Miyuki may be careless regarding important things, but she tries harder than everyone to get rid of this. She's a great hero."
>
> **- Satomi Mochizuki** about Miyuki

## Biographical Information

### Alias

Galatic Hero: Astranova (銀河ヒーロー アストラノバ *Ginga Hīrō Asutoranoba*)

## Personal Description

### Age

17 (First apperance)
18 (Current)

### Eye Color

Moon-like (Left)
Black hole-like (Right)

## Status

### Family

Hiroto Mochizuki (Father)
Tokiko Mochizuki (Mother)
Hoshito Mochizuki (Older brother)

## Portrayal

### English Voice

N/A

**Satomi Mochizuki** (望月 聡美 *Mochizuki Satomi*), also known as **Galactic Hero:** **Astranova** (銀河ヒーロー アストラノバ *Ginga Hīrō Asutoranoba*), is a student in Class 3-B at U.A. High School, training to become a Pro Hero. She's the tritagonist of my fanfiction.

## Appearance

Satomi is a girl of average height, with a rather curvaceous and healthy body, also impressively flexible. Many of her peers describe her face as bright and comforting. She has chubby cheeks and a lightly tanned skin, the latter having a higher heat tolerance than normal humans.

She has pretty almond-shaped eyes which possess heterochromia iridium due to her quirk, her left eye being of a very pale yellow resembling the shining moon and her right eye having a black pupil and a starry sky-like iris, giving the impression of a black hole. Both her upper and lower eyelashes are quite long and well pronounced. Satomi's hair reach her thights, they're white in color with a purple gradient starting at the midst. She has bangs covering her forehead and two chin-length strands framing her face. She also usually styles her hair with 3 braids behind her head, one coming from the middle and two others from each sides right above her ears. The three braids are tied together.

Satomi's hero costume is composed of a black sleeveless playsuit connected on her back to the grey collar around her neck with thick purple edges above her breasts and knees. Around her waist, she carries two loose pouches, worn diagonally and reaching her thighs. Satomi wears a pair of black braces with purple hems. She has matching boots which are flared at the ankles, with planet-shaped heels. Circular thermometer bracelets that resemble Saturn's ring are stuck on her braces and boots. Satomi has a visor which is connected to a headband. This headband is slightly pointed at the middle and has on its center a moon-shaped button that, when pressed, will make appear the purple visor.

For the winter version of her costume, she replaced her braces with pale mauve puffed sleeves attached from her collar to the middle of her hands, with a hole for the thumb and gold cuffs. Plus, some long purple socks to keep her body warm with black trims.

## Personality

Satomi is a very sweet and polite individual, also quite shy when she meets new people. She's soft-spoken and rarely gets angry, her collected and kindhearted demeanor is what makes her very popular and loved among her peers. Being naturally a caring girl, she will never hesitate to lend a helping hand to those who need it, even if that means neglecting her own needs. Satomi declares that those unlucky people asking for help are a priority ... **WIP!!!!!**

## Abilities

**Overall Abilities**: Satomi is one of U.A. High School's most powerful students, alongside Mirio Togata, Nejire Hado and Tamaki Amajiki. While not officially being part of The Big 3, her peers consider her a member of it. At U.A., students and teachers alike says that her abilities can, by far, rival or even outmatch that of most Pro Heroes.

Satomi's quirk is known for its complexity in terms of mastering but also its dangerousness. Having gone through intense trainings during her three years at U.A, or sometimes training by herself, Satomi managed to master it well. Her quirk is incredibly versatile and her attacks unpredictable, having the ability to bring on Earth everthing that comes from the outer space. Solid celestial bodies can either be shaped in different forms or keep their natural shape, she can produce very small amounts of ice, metal and rock, she can as well produce both cold and heat. With her stars she can blind her foes with their luminosity or burn them with it, generate explosions or fire. Astranova will create black holes to disintegrate something, and wormholes to deviate opposing attacks. She can fight at long range using her quirk, or at close range using her flexibility and agility.

One of her strongest but also dangerous capacity she often uses, is her plasma. Even at its lowest temperature, the plasma remains extremely hot and so, very risky for the user and the opponents. She's luckily immune to it, but will be prone to burns if she overuses it, furthermore, Satomi's body will also overheat. The good point is that the plasma is highly efficient, not lethal and can be manipulated safely, from any range, for different purposes like overwhelming the adversary surrounded by plasma flames (while making sure she's not harming them), releasing it from her feet for propulsion or all her limbs for greater speed, using it like a torch in dark places, etc. The only times she allows herself to deploy the mightiness of her plasma in its entirety is when she fights against Nomu as they're already dead monsters, but also when her negative emotions take the upper hand making her go berserk and when it happens, her whole body bursts into blazing flames, enhancing her durability, speed and physical strength.

Satomi's abilities garnered the attention of many Pro Heroes, from her teachers to high-ranked heroes, especially the No.5 Pro Hero, Mirko. The latter saw that huge potential in Astranova, and so decided to take her under her tutelage alongside Miyuki and Yuri.

* **Enhanced Durability**: Even after having sustained major injuries, Satomi is still capable to fight. She sometimes gets burned by her quirk, but her skin having developed a very high resistance to burns thanks to her trainings, she recovers quickly and can stand the pain of the burns.
* **Enhanced Agility**: Having taken ballet classes since the age of 5, Satomi became very flexible but also very agile, capable to mount on anything without falling. This ability makes her even more unpredicatable than she already is.
* **Enhanced Stamina**: Due to her intensive trainings in order to master Celestial Bodies, Satomi's stamina increased gradually. She's able to last till the end of a combat without being totally exhausted.

**Keen Intellect**: Astranova is a truly intelligent person, whether in school or in the field, she has incredible intellectual capacities.

**Ballet Talent**: Satomi practices ballet since she was 5, her mother being the one who got her into it. This sport made her very flexible, agile and graceful. She sometimes adds ballet moves to her attacks.

### Quirk

**Celestial Bodies** (天体 *Tentai*): Satomi's quirk grants her the ability to reproduce the exact same propreties of any celestial body present in the universe. She can as well produce a scorching hot purple plasma from any part of her body, reaching extreme temperatures. Satomi releases the plasma mostly from her hands to create scorching flames but can also release it from her feet like propelers to maintain herself in mid-air and fly. She can as well make her body burst into flames of plasma but only for a short amount of time. Multiple intensive trainings made her skin almost immune to the heat and high temperatures. Her quirk also allows her to exude from her pores the following chemical substances (coming from the planets of the solar system), for a three-minutes period: hydrogen, methane, ammonia, and water. With the same limitation as her elements, she can as well produce small amounts of ice, rock and metal. Hydrogen, methane and ammonia being all three flammable, Astranova prefers to use them only when really needed.

The damage caused to the enemy can also affect Satomi. For example, the heat produced by any celestial body will start to harm her as it harms the opponent (burns and overheating), if used for too long. High temperatures and heat are her most encountered drawbacks ever since, she never experienced any other disadvantage with her quirk.

Although not perceptible, Satomi inherited the mysterious quirk of her missing mother Tokiko Mochizuki, also known as the Alien Hero: Space Girl. The quirk's name is Space and it allows the user to travel through time and imagined dimensions as well as control gravity. She is also capable of moving objects using her mind or hand gestures and float. Nevertheless, those powers are extremely dangerous if not well manipulated. The user has to be very focused otherwise the consequences might be irreversible, just like it happened with her mother. Precisely, Satomi can be stuck in the past/future or an imaginary dimension and she might not be able to undo the effects of the gravity, moreover, she has a limit of weight that musn't be exceeded. Her telekinetic ability causes her vomiting.

### Ultimate Moves

* **Star Cluster** (スタークラスター *Sutākurasuta*): One of her most powerful technique, Satomi produces star clusters to either generate big explosions or create immense fires and heat.
	+ **Supernova** (スーパーノバ *Sūpānoba*): By faking multiple attacks while circling her target, Satomi actually creates small star clusters that surrounds the opponent. She then makes them all go supernova, generating a great explosion, destroying her surroundings and burning the foe.
	+ **Solar Flare** (ソーラーフレア *Sōrāfurea*): This attack is another way Satomi uses her star clusters. This time, she creates a single cluster, and each star gets bigger and bigger in order to release a massive, scorching hot solar flare burning and setting on fire a huge perimeter.
* **Meteor Shower** (メテオシャワ *Meteoshawa*): This attack allows the Galactic Hero to blitz an area by creating a meteor shower from a high point in the sky, shattering and burning the ground.
* **Cosmic Dust** (コスミックダスト *Kosumikkudasuto*): Satomi produces a considerable amount of cosmic dust in order to create a fog-like atmoshpere and thus, obstructing the sight of her foes.
* **Mars' Prominence** (火星のプロミネンス *Kasei no Prominensu*):
* **The Fierce Comet** (猛烈な彗星 *Mōretsuna Suisei*): After engulfing her fist in plasma to enhance her strength, Satomi delivers a quick and impactful uppercut to her enemy. By increasing her plasma's temperature to its maximum, she can turn her target into ashes.

## Equipment

**Hero Costume**: Satomi's whole costume is resistant to extreme temperatures and heat in order to fully use her quirk, without restrictions. And to avoid overheating, her costume also releases cold air. Her costume was made by Miyuki. She asked her after a recommendation of Eraser Head because she wanted to change her costume but was struggling. Miyuki and Satomi's costume shares the same material.

* **Mercury Sleeve** (マーキュリースリーブ *Mākyurīsurību*): Those sleeves are made of a material that keeps her warm, and they also release cold air.
* **Venus Suit** (ビーナススーツ *Bīnasusūtsu*): Resistant to her plasma, it generates as well cold air.
* **Mars Bracer** (マルスブレーサー *Marusuburēsā*)
* **Jupiter Sock** (ジュピターソックス *Jupitāsokkusu*)
* **Saturn Ring** (サターンリング *Satānringu*): Those ring-like thermometers help Satomi in regulating her body temperature, when she's heating up.
* **Uranus Visor** (ウラヌスバイザー *Uranusubaizā*): An anti-blindness visor to avoid being blinded by her stars as well as being very useful against small debris and dust.
* **Neptune Pouch** (ネプチューンポーチ *Nepuchūnpōchi*): Inside of them, Satomi carries tubes of aloe vera and honey to treat her burns.

## Trivia

* Satomi's surname means "Full Moon" in Japanese, a compound of the kanji for "wish, desire" (望 *mochi*) and "moon" (月 *tsuki*). Her first name contains the kanji meaning "intelligence" (聡 *sato*) and "beautiful" (美 *mi*).
* She likes astronomy and strawberry cream cake.
	+ Her favorite planet is Saturn.