STU48 1st Generation/History

**STU48 First Generation** (STU48 1期生) is the regular member of STU48. They announced on March 31, 2017, along with the two concurrent members.

## 2017

* **Feburary 22** - Okada Nana (Team 4) and Sashihara Rino (Team H) joined STU48
	+ Okada Nana holds the group as a captain
	+ Sashihara Rino hold the group as a manager
* **March 19** - 44 applicants were qualified for the final round. They were introduced at Hiroshima City.
* **March 31** - The group debuted 31 original members along with the two Kennin members
	+ Original First Generation Members: Cho Orie, Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Kuroiwa Yui, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Otani Marina, Ozaki Mami, Sakaki Miyu, Sano Haruka, Shintani Nonoka, Shioi Hinako, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
	+ First Kennin Generation Members: Okada Nana, Sashihara Rino
* **October 2** - Kuroiwa Yui announced her graduation
* **November 18** - Kuroiwa Yui graduated from the group to focus her academic studies
	+ Remaining First Generation Members: Cho Orie, Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Ozaki Mami, Sashihara Rino, Sakaki Miyu, Sano Haruka, Shintani Nonoka, Shioi Hinako, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **November 25** - Sashihara Rino cancelled her Kennin position as a member and a manager of the group
	+ Remaining First Generation Members: Cho Orie, Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Ozaki Mami, Sakaki Miyu, Sano Haruka, Shintani Nonoka, Shioi Hinako, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka

## 2018

* **January 6** - Ozaki Mami announced her graduation
* **March 13** - Cho Orie announced her graduation
* **March 25** - Ozaki Mami graduated from the group
	+ Remaining First Generation Members: Cho Orie, Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Sano Haruka, Shintani Nonoka, Shioi Hinako, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **April 13** - Cho Orie and Sano Haruka graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Shioi Hinako, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **July 22** - Shioi Hinako graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Sugahara Saki, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka

## 2019

* **April 28** - Sugahara Saki announced her graduation
* **May 6** - Sugahara Saki graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Ichioka Ayumi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **June 4** - Kadota Momona announced her graduation
* **July 1** - Ichioka Ayumi announced her graduation
* **August 1** - Torobu Yuri announced her graduation
* **August 2** - Mori Kaho announced her graduation
* **August 6** - Ichioka Ayumi graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadota Momona, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **August 11** - Kadota Momona graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Torobu Yuri, Yabushita Fu, Yano Honoka
* **October 19** - Mishima Haruka announced her graduation
* **October 30** - Torobu Yuri graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mishima Haruka, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **December 8** - Mishima Haruka graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Mori Kaho, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **December 12** - Mori Kaho graduated from the group
	+ Remaining First Generation Members: Fujiwara Azusa, Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka

## 2020

* **January 18** - Okada Nana dropped her position as a captain and a manager of the group, demoted to a regular member
	+ Imamura Mitsuki appointed as the captain of the group
	+ Fukuda Akari appointed as the vice captain of the group
* **January 19** - Fujiwara Azusa announced her graduation
* **January 26** - Isogai Kanon announced her graduation
* **March 10** - Fujiwara Azusa graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Isogai Kanon, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **May 10** - Isogai Kanon graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Shintani Nonoka, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **June 24** - Shintani Nonoka announced her graduation
* **July 31** - Shintani Nonoka graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Takino Yumiko, Tanaka Kouko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **December 23** - Tanaka Kouko announced her graduation

## 2021

* **March 30** - Otani Marina announced her graduation
* **March 31** - Tanaka Kouko graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Otani Marina, Sakaki Miyu, Takino Yumiko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **April 15** - Yabushita Fu announced her graduation
* **June 5** - Otani Marina graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Sakaki Miyu, Takino Yumiko, Taniguchi Mahina, Yabushita Fu, Yano Honoka
* **August 8** - Yabushita Fu graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kadowaki Miyuna, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Sakaki Miyu, Takino Yumiko, Taniguchi Mahina, Yano Honoka
* **September 12** - Okada Nana announced her Kennin termination
* **October 5** - Sakaki Miyu announced her graduation
* **October 12** - Kadowaki Miyuna announced her graduation
* **November 18** - Kadowaki Miyuna withdrew from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Sakaki Miyu, Takino Yumiko, Taniguchi Mahina, Yano Honoka
* **December 28** - Sakaki Miyu graduated from the group
	+ Remaining First Generation Members: Fukuda Akari, Hyodo Aoi, Imamura Mitsuki, Ishida Chiho, Ishida Minami, Iwata Hina, Kai Kokoa, Mineyoshi Arisa, Morishita Maiha, Okada Nana, Takino Yumiko, Taniguchi Mahina, Yano Honoka