# Yatogame-chan Kansatsu Nikki

Yatogame-chan Kansatsu Nikki (Japanese: 八十亀ちゃんかんさつにっき, lit. "Yatogame-chan Observation Diary") is a Japanese four-panel manga series written and illustrated by Masaki Andō. It was serialized in Ichijinsha's Monthly Comic Rex magazine from May 2016 to September 2022. An anime television series adaptation by Saetta aired from April to June 2019, with a second season airing from January to March 2020. A third season aired from January to March 2021. A fourth season aired from April to June 2022.

## Plot

High school student Tohiska Jin moves from Tokyo to Nagoya where he learns through his new schoolmate Monaka Yatogame and her friends about the peculiarities of life in his new hometown and the quirks of its inhabitants.

## Characters
### Monaka Yatogame (八十亀 最中, Yatogame Monaka)

    Voiced by: Haruka Tomatsu

### Mai Tadakusa (只草 舞衣, Tadakusa Mai)

    Voiced by: Yūki Wakai

### Yanna Sasatsu (笹津 やん菜, Sasatsu Yanna)

    Voiced by: Mikako Komatsu

### Kaito Jin (陣 界斗, Jin Kaito)

    Voiced by: Mitsuhiro Ichiki

### Toshika Jin (陣 繁華, Jin Toshika)

    Voiced by: Hisako Tōjō

### Lala Shonai (初内 ララ, Shonai Rara)

    Voiced by: Yoshino Nanjō

### Rin Jandara (雀田来 鈴, Jandara Rin)

    Voiced by: Eriko Matsui

### Teppei (鉄平, Teppei)

    Voiced by: Kenji Akabane

### Shiharu Itemae (一天前 紫春, Itemae Shiharu)

    Voiced by: Honoka Kuroki

### Nanaho Koshiyasu (輿安 七帆, Koshiyasu Nanaho)

    Voiced by: Ayasa Itō

### Recchiri-sensei (レッチリ先生)

    Voiced by: Tetsu Inada

### Serura Dobe (土辺 世瑠蘭, Dobe Serura)

    Voiced by: Maria Naganawa

### Masahide Tsuji (辻 優秀, Tsuji Masahide)

    Voiced by: Junji Majima

### Shō Kochikashi (東風樫 湘, Kochikashi Shō)

    Voiced by: Sumire Uesaka

### Kei Aonaji (青那寺 恵, Aonaji Kei)

    Voiced by: Sora Tokui

### Kiina Asaka (朝霞 きぃな, Asaka Kiina)

    Voiced by: Reo Kurachi

## Media
### Manga

Masaki Andō launched the manga in Ichijinsha's shōnen manga magazine Monthly Comic Rex on May 28, 2016. It ended serialization on September 27, 2022.
| No. | Japanese release date | Japanese ISBN |
| 1 | November 26, 2016 | 978-4-7580-6632-7 |
| 2 | May 27, 2017 | 978-4-7580-6662-4 |
| 3 | November 27, 2017 | 978-4-7580-6696-9 |
| 4 | May 26, 2018 | 978-4-7580-6732-4 978-4-7580-6733-1 (Special edition) |
| 5 | November 27, 2018 | 978-4-7580-6772-0 978-4-7580-6773-7 (Special edition) |
| 6 | May 27, 2019 | 978-4-7580-6805-5 978-4-7580-6806-2 (Special edition) |
| 7 | November 27, 2019 | 978-4-7580-6826-0 978-4-7580-6827-7 (Special edition) |
| 8 | March 27, 2020 | 978-4-7580-6853-6 978-4-7580-6854-3 (Special edition) |
| 9 | October 27, 2020 | 978-4-7580-6888-8 978-4-7580-6889-5 (Special edition) |
| 10 | May 27, 2021 | 978-4-7580-6909-0 978-4-7580-6910-6 (Special edition) |
| 11 | November 26, 2021 | 978-4-7580-6948-9 |
| 12 | April 27, 2022 | 978-4-7580-6975-5 |
| 13 | December 27, 2022 | 978-4-7580-8391-1 |

### Anime

An anime adaptation was announced in the fourth volume of the manga on May 26, 2018. The television series is directed by Hisayoshi Hirasawa, with animation by studio Saetta. Satsuki Hayasaka is the character designer, and WORDS in STEREO is credited for series composition. Creators in Pack is credited with animation cooperation. The series premiered from April 4 to June 20, 2019, and was broadcast on TVA, Tokyo MX, and AT-X. Haruka Tomatsu performed the series' opening theme song "Deluxe Deluxe Happy".
After the series' finale, it was announced that the series would receive a second season. The season, titled Yatogame-chan Kansatsu Nikki 2 Satsume (八十亀ちゃんかんさつにっき 2さつめ), premiered from January 5 to March 22, 2020, with the cast and staff reprising their roles. LEVELS joins Creators in Pack in the animation cooperation. +α/Alphakyun performed the second season's opening theme song "Imaginary Love". The second season will run for 12 episodes.
On September 25, 2020, it was announced that the series will receive a third season. The season, titled Yatogame-chan Kansatsu Nikki 3 Satsume (八十亀ちゃんかんさつにっき 3さつめ), aired from January 10 to March 28, 2021, with the cast and staff reprising once again their roles. The opening theme song is "Don't Be a Weed Soul!" (雑草魂なめんなよ！, "Zassō Damashii Namennayo!") performed by Taiki. Crunchyroll licensed the series.
A fourth season of the series was announced on November 23, 2021. The season, titled Yatogame-chan Kansatsu Nikki 4 Satsume (八十亀ちゃんかんさつにっき 4さつめ), is produced by Hayabusa Film, with Creators in Pack credited with animation cooperation. The rest of the main staff and cast reprised their roles. It aired from April 9 to June 11, 2022. A special announcement program aired on April 2. The opening theme song is performed by Akira Ouse.

### Series overview

| Season | Episodes | Episodes | Originally released | Originally released |
| Season | Episodes | Episodes | First released | Last released |
| 1 | 12 | 12 | April 4, 2019 (2019-04-04) | June 20, 2019 (2019-06-20) |
| 2 | 12 | 12 | January 5, 2020 (2020-01-05) | March 22, 2020 (2020-03-22) |
| 3 | 12 | 12 | January 10, 2021 (2021-01-10) | March 28, 2021 (2021-03-28) |
| 4 | 10 | 10 | April 9, 2022 (2022-04-09) | June 11, 2022 (2022-06-11) |

#### Season 1

| No. | Title | Original release date |
| 1 | "Beginning" Transliteration: "Hajimari" (Japanese: はじまり) | April 4, 2019 (2019-04-04) |
| 2 | "Tokyoites" Transliteration: "Tokyomon" (Japanese: トーキョーもん) | April 11, 2019 (2019-04-11) |
| 3 | "I'll Nyaa-ver Allow It" Transliteration: "Mitome-nyaa" (Japanese: 認めにゃあ) | April 18, 2019 (2019-04-18) |
| 4 | "No Good Pictures" Transliteration: "Torete-nyaa" (Japanese: 撮れてにゃあ) | April 25, 2019 (2019-04-25) |
| 5 | "Not Gonna Teach You" Transliteration: "Oshie-nyaa" (Japanese: 教えにゃあ) | May 2, 2019 (2019-05-02) |
| 6 | "Let's Go to Sugakiya" Transliteration: "Sugakiya iko-myaa" (Japanese: スガキヤいこみゃあ) | May 9, 2019 (2019-05-09) |
| 7 | "Not Like That" Transliteration: "So-chi ja-nyaa" (Japanese: そっちじゃにゃあ) | May 16, 2019 (2019-05-16) |
| 8 | "This Ain't Akiba" Transliteration: "Akiba ja-nyaa" (Japanese: アキバじゃにゃあ) | May 23, 2019 (2019-05-23) |
| 9 | "Nothin' To Do With It" Transliteration: "Kankei-nyaa" (Japanese: 関係にゃあ) | May 30, 2019 (2019-05-30) |
| 10 | "Just Gotta Put Some On" Transliteration: "Kakeru shika-nyaa" (Japanese: かけるしかにゃあ) | June 6, 2019 (2019-06-06) |
| 11 | "It Ain't Cool Here" Transliteration: "Suzushiku-nyaa" (Japanese: 涼しくにゃあ) | June 13, 2019 (2019-06-13) |
| 12 | "See Y'all Again" Transliteration: "Mata ao-myaa" (Japanese: また会おみゃあ) | June 20, 2019 (2019-06-20) |

#### Season 2

| No. | Title | Original release date |
| 1 | "We Meet Again" Transliteration: "Mata ae tadeyo" (Japanese: また会えたでよ) | January 5, 2020 (2020-01-05) |
| 2 | "I Ain't Scary" Transliteration: "Kowaku-nyaa" (Japanese: 怖くにゃあ) | January 12, 2020 (2020-01-12) |
| 3 | "It Ain't Dull" Transliteration: "Shoboku-nyaa" (Japanese: しょぼくにゃあ) | January 19, 2020 (2020-01-19) |
| 4 | "I Didn't Leave Nothin' Out" Transliteration: "Habu ite-nyaa" (Japanese: ハブいてにゃあ) | January 26, 2020 (2020-01-26) |
| 5 | "It Ain't a Main Dash" Transliteration: "Shushoku ja-nyaa" (Japanese: 主食じゃにゃあ) | February 2, 2020 (2020-02-02) |
| 6 | "I Ain't Backin' Down" Transliteration: "Yuzure-nyaa" (Japanese: 譲れにゃあ) | February 9, 2020 (2020-02-09) |
| 7 | "I Ain't Skippin' It" Transliteration: "Tobasa-nyaa" (Japanese: 飛ばさにゃあ) | February 16, 2020 (2020-02-16) |
| 8 | "It Ain't a Building" Transliteration: "Biru ja-nyaa" (Japanese: ビルじゃにゃあ) | February 23, 2020 (2020-02-23) |
| 9 | "It Ain't Weird" Transliteration: "Hen ja-nyaa" (Japanese: 変じゃにゃあ) | March 1, 2020 (2020-03-01) |
| 10 | "It Ain't Weak" Transliteration: "Usuku-nyaa" (Japanese: うすくにゃあ) | March 8, 2020 (2020-03-08) |
| 11 | "I Ain't Yer Servant" Transliteration: "Kerai ja-nyaa" (Japanese: けらいじゃにゃあ) | March 15, 2020 (2020-03-15) |
| 12 | "It Ain't Number Three" Transliteration: "Dai 3 ja-nyaa" (Japanese: 第３じゃにゃあ) | March 22, 2020 (2020-03-22) |

#### Season 3

| No. | Title | Directed by | Original release date |
| 1 | "We Meet Yet Again" Transliteration: "Matamata Aetadeyo" (Japanese: またまた会えたでよ) | Ryōsuke Higashi | January 10, 2021 (2021-01-10) |
| 2 | "It Ain't Dumb" Transliteration: "Baka ja-nyaa" (Japanese: バカじゃにゃあ) | Ryōsuke Higashi | January 17, 2021 (2021-01-17) |
| 3 | "This Ain't Trainin'" Transliteration: "Kitae-nyaa" (Japanese: 鍛えにゃあ) | Wang Yuechun | January 24, 2021 (2021-01-24) |
| 4 | "I Ain't Alone" Transliteration: "Hitori ja-nyaa" (Japanese: 一人じゃにゃあ) | Wang Yuechun | January 31, 2021 (2021-01-31) |
| 5 | "I Ain't a Nagoyer" Transliteration: "Nagoyā ja-nyaa" (Japanese: ナゴヤーじゃにゃあ) | Tarō Kubo | February 7, 2021 (2021-02-07) |
| 6 | "You Ain't My Kind" Transliteration: "Nakama ja-nyaa" (Japanese: 仲間じゃにゃあ) | Tarō Kubo | February 14, 2021 (2021-02-14) |
| 7 | "It Ain't Enough" Transliteration: "Monotari-nyaa" (Japanese: 物足りにゃあ) | Daiki Takemoto | February 21, 2021 (2021-02-21) |
| 8 | "We Ain't a Couple" Transliteration: "Kappuru ja-nyaa" (Japanese: カップルじゃにゃあ) | Wang Yuechun | February 28, 2021 (2021-02-28) |
| 9 | "It Just Ain't Gonna Happen" Transliteration: "Muri wa Shi-nyaa" (Japanese: ムリはしにゃあ) | Wang Yuechun | March 7, 2021 (2021-03-07) |
| 10 | "I Can't Make It" Transliteration: "Tsukure-nyaa" (Japanese: 作れにゃあ) | Takeya Teppei | March 14, 2021 (2021-03-14) |
| 11 | "I Ain't Gonna Last" Transliteration: "Karada ga Tamota-nyaa" (Japanese: 体が保たにゃあ) | Ryōsuke Higashi | March 21, 2021 (2021-03-21) |
| 12 | "Let's All Get Along" Transliteration: "Nakayoku Shiyo-myaa" (Japanese: なかよくしよみゃあ) | Ryōsuke Higashi | March 28, 2021 (2021-03-28) |

#### Season 4

| No. | Title | Directed by | Original release date |
| 1 | "It's Smack in the Middle" Transliteration: "Doman Naka da de" (Japanese: どまんなかだで) | Wang Yuechun | April 9, 2022 (2022-04-09) |
| 2 | "Welcome, Student Council President" Transliteration: "Irya Ase, Seito Kaichō" (Japanese: いりゃあせ、生徒会長) | Wang Yuechun | April 16, 2022 (2022-04-16) |
| 3 | "Ya Can't Say That" Transliteration: "Sono Kotoba wa Mākan" (Japanese: その言葉はまーかん) | Wang Yuechun | April 23, 2022 (2022-04-23) |
| 4 | "A Battle I Can't Go Losin'" Transliteration: "Zettai ni Makerarenyā Tatakai" (Japanese: 絶対に負けられにゃあ戦い) | Shin Chō | April 30, 2022 (2022-04-30) |
| 5 | "More Chicken Wings" Transliteration: "Matto Tebasaki" (Japanese: まっと手羽先) | Wang Yuechun | May 7, 2022 (2022-05-07) |
| 6 | "A Woman's Heart Is Complicated" Transliteration: "Onnagokoro wa Fukuzatsu da de" (Japanese: 女心は複雑だで) | Wang Yuechun | May 14, 2022 (2022-05-14) |
| 7 | "They Ain't Just Round" Transliteration: "Maru dake ja Aresen" (Japanese: 丸だけじゃあれせん) | Yama Mamimu | May 21, 2022 (2022-05-21) |
| 8 | "Gotta Be Bread Before an Athletic Meet" Transliteration: "Undōkai wa Pan ni Shite Chō" (Japanese: 運動会はパンにしてちょう) | Wang Yuechun | May 28, 2022 (2022-05-28) |
| 9 | "Welcome, Honored Guest" Transliteration: "Gozatta, Raihinsha" (Japanese: ござった、来賓者) | Daichi Nakajima | June 4, 2022 (2022-06-04) |
| 10 | "So Many Norms" Transliteration: "Yōsan no Atarimae" (Japanese: よーさんの当たり前) | Wang Yuechun | June 11, 2022 (2022-06-11) |