Photobooks

STU48's Kokoa Kai to Release Long-Awaited Second Photobook on July 1

Kokoa Kai's second photobook, shot in Bangkok and Phuket, will be released by Akita Shoten.

Kokoa Kai (甲斐心愛), STU48
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STU48’s Kokoa Kai, known as Setouchi’s energetic symbol, only recently returned to STU48 in March after completing one year and nine months of activities with KLP48 in February. Her long-awaited second photobook will be released on Wednesday, July 1.

The locations for this book are Bangkok, the capital of Thailand, the Land of Smiles, and Phuket, one of Thailand’s leading resort destinations. Reflecting her own circumstances of having spent one year and nine months working in Malaysia, this work begins with her living in an ordinary Bangkok home. It was photographed in a range of settings: setting out on a trip on a local train; playing to her heart’s content on Phuket’s beaches and at its water park; lighting up at a colorful theme park and a strange upside-down museum; and relaxing at an Asian-style resort villa.

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Kokoa Kai (甲斐心愛), STU48
Kokoa Kai (甲斐心愛), STU48
Kokoa Kai (甲斐心愛), STU48
Kokoa Kai (甲斐心愛), STU48
Kokoa Kai (甲斐心愛), STU48
Kokoa Kai (甲斐心愛), STU48
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The book also includes striking cuts in which she takes on her most revealing look yet, something she has never shown in her first photobook or previous gravure work. It is full of photographs capturing Kokoa Kai as she is now, from her characteristically energetic smile to her grown-up side.

The result is a gem of a book that calls to mind a story: you innocently play together, and although you had never thought of her as anything more than a childhood friend, when you meet again after a long time, you somehow feel a different kind of excitement in your heart.

Comment from Kokoa Kai

After taking on gravure for the first time in my first photobook, I received a much bigger response than I expected. I also received so many requests saying, “Please release a second photobook, too!” So I’m very happy that I’ve been able to put one out like this.

Since it’s a second photobook, I went into the shoot hoping to show a slightly more mature side and make people’s hearts race. I also took on slightly sexier cuts than in my first photobook, and I think I’ll be able to show how I’ve grown. But in the end, the shoot was just so much fun the whole time that I ended up with lots of bright, pop expressions (laughs). There’s a mature side, but my usual Kokoa side is also on full display!

Being able to release a second photobook like this is unquestionably thanks to all of you. I’m grateful from the bottom of my heart! Please enjoy all the changes through the photobook!

Profile

Kokoa Kai

Born November 28, 2003, in Hiroshima Prefecture.

She began activities as a first-generation member of STU48 in March 2017. She transferred to KLP48 in June 2024 and was active there through February 2026. She then returned to STU48 and resumed activities in March 2026.

STU48 is scheduled to hold its ninth-anniversary concert at Kanadevia Hall in Tokyo on Saturday, May 30.

STU48’s 13th single, “Suki Sugite Naku,” is on sale now.

Official X: @k_cocoa1128

Official Instagram: @k_cocoa1128

Official TikTok: @k_cocoa1128

Photobook Information

  • Title: STU48 Kokoa Kai 2nd Photobook (title undecided)
  • Release date: Wednesday, July 1, 2026
  • Publisher: Akita Shoten
  • Format: A4, 128 pages
  • Advance price: ¥3,300 including tax
  • Photography: Ryoma Kano

Original Chain Purchase Bonus List

  • Seven Net Shopping: one type of photo print
  • Yodobashi Camera: one type of photo print
  • Rakuten Books: one type of photo print
  • Surugaya: one type of photo print

Product inquiries

Akita Shoten Co., Ltd., Sales Department

Tel: 03-3264-7248 / Fax: 03-3265-9076

Akita Shoten Co., Ltd.

  • Representative: President Tokiji Yamaguchi
  • Address: 18th Floor, Bunkyo Green Court Center Office, 2-28-8 Honkomagome, Bunkyo-ku, Tokyo 113-0021
  • Established: August 10, 1948
  • Business: magazines, books, comics, paperbacks, children’s books, media mix projects, and more
  • Employees: approximately 160
  • Website: https://www.akitashoten.co.jp/

Source: PR TIMES

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