First collaboration between plastic model “Sosai Shojo Teien” and BOOKOFF! Collaboration limited items will be on sale from May 3rd at 59 BOOKOFF stores nationwide!

• “Sosai Girls’ Garden” and Book Off collaborate for the first time! The main character is “Kotoriyu Koyomi”!

The first collaboration between “Sosai Shojo Teien” and Bookoff will be held at 59 Bookoff stores nationwide from May 3, 2024 (Friday/Holiday) to May 31, 2024 (Friday).

The main character of the collaboration is “Kotoriyu Koyomi”, and the theme is “What if Kotoriyu Koyomi works part-time at Book Off…”, and the theme is “Sosai Shojo Teien” plastic model apron and miniature, drawn by “Raghono Erika” teacher. We will carry out various campaigns such as the sale of limited items using original illustrations and in-store broadcasts using newly taken voices.

For details on each campaign, please check the special collaboration site.

Special collaboration site:

• Sales of collaboration limited items

【Sales period】

May 3, 2024 (Friday/Holiday) – May 31, 2024 (Fri)

*Release date and business hours may differ depending on the store.

[Sales store]

You can check the sales stores on the special collaboration site.

Sales stores are subject to change without notice.

*Collaboration limited items using newly drawn illustrations will be sold by Medicos Entertainment Co., Ltd.

○ Featured collaboration limited item ①: Tiny closet BOOKOFF apron

A Book-Off apron exclusively for “Sosai Shojo Teien” was created from a paper pattern with the production cooperation of the doll manufacturer “Azone International Co., Ltd.”

¥2,200 (tax included) 1 type in total

○ Featured collaboration limited item ②: After School BOOKOFF’s “Lighting Signboard”

With the production cooperation of “Yamada Chemical Co., Ltd.”, which produces many miniature items, this signboard is reproduced in miniature size based on the design actually installed at Book Off stores. It can be illuminated by using separately sold batteries (LR44 x 2).

¥380 (tax included) 1 type in total

○ Featured collaboration limited item ③: After School BOOKOFF “Nobori Set”

With the production cooperation of Yamada Chemical Co., Ltd., this set of three “nobori” is a miniature-sized reproduction based on the design actually installed at Book-Off stores.

¥600 (tax included) 1 type in total

■Purchase benefit ①: Clear bookmark

During the distribution period, for every 2,000 yen (tax included) purchased from this event product or a plastic model (new) of “Sosai Shojo Teien”, you will receive a random bonus clear bookmark using a newly drawn illustration.

[Distribution period]

May 3, 2024 (Friday/Holiday) – May 16, 2024 (Thursday)

*You cannot choose the pattern.

*It will end as soon as it runs out.

*It will be handed over for each transaction. Please note that amounts cannot be combined.

■Purchase bonus ②: Background sheet

During the distribution period, if you purchase 4,000 yen or more (tax included) of this event product or a plastic model (new) of “Sosai Shojo Teien”, you will receive a bonus background sheet (A3 size) with the image of the Book Off store entrance.

[Distribution period]

May 3, 2024 (Friday/Holiday) – May 16, 2024 (Thursday)

*One ticket will be given per transaction.

*It will be handed over for each transaction. Please note that amounts cannot be combined.

*It will end as soon as it runs out.

• Life-size stand panel display

During the collaboration period, life-size panels of six characters from Sosai Shoujo Teien using illustrations drawn by Erika Raghono will be displayed at some Book Off stores.

All six members will be on display at the BOOKOFF SUPER BAZAAR Machida Chuo-dori store (Book/Hobby Hall).

[Panel display store]

BOOKOFF SUPER BAZAAR Machida Chuo-dori store (Book/Hobby store): All 6 people

BOOKOFF SUPER BAZAAR No. 307 Hirakata Ikenomiya store: “Kotoriyu Calendar”

BOOKOFF SUPER BAZAAR Aeon Sendai store: “Yuki Madoka”

BOOKOFF SUPER BAZAAR No. 25 Yao Nagahata store: “Ritsuka Saeki”

BOOKOFF SUPER BAZAAR No. 1 Kyoto Fushimi store: “Koishikawa Emma”

BOOKOFF SUPER BAZAAR No. 248 Seiyu Okazaki store: “Ichijo Seira”

BOOKOFF SUPER BAZAAR No. 407 Ota Iizuka store: “Rui Saotome”

■Life-size stand panel gift campaign

After the collaboration ends, one person (total of 6 people) will be presented with a newly drawn life-sized panel displayed in the store by lottery for each character.

【way to participate】

During the collaboration period, you will receive one application postcard for every 4,000 yen (tax included) purchase of this collaboration item or a plastic model (new) of “Sosai Shojo Teien”. Please select your desired character, fill out the necessary information on the application postcard, and apply by mail.

Please check the collaboration special site for detailed participation methods and precautions.

• “Hitomi Owada” visit event held

On Saturday, May 4, 2024, we will hold an event at the BOOKOFF SUPER BAZAAR Machida Chuo-dori store (Book/Hobby Hall) where the voice actor “Hitomi Owada” who plays the role of “Kotoriyu Koyomi” will visit the store.

Customers who purchased this collaboration item or a plastic model (new) of “Sosai Shoujo Teien” for more than 2,000 yen (tax included) on the day of the event, please present the receipt to the staff in the special space during your visit to Mr. Owada and the purchase amount will be refunded. Depending on the application, Mr. Owada will give you a clear bookmark, a background sheet, and a life-size panel application postcard.

Please check the collaboration special site for detailed participation methods and precautions.

■Broadcast of limited in-store announcements

During the broadcast period, in-store announcements using the voice of Hitomi Owada will be broadcast at some stores.

There are two types of in-store announcements: one by Kotoriyu Koyomi and one by Hitomi Owada.

[In-store announcement lineup]

・“Kotoriyu Koyomi” tense collaboration introduction version

・Currently purchasing “Kotoriyu Koyomi” character goods!version

・“Hitomi Owada” collaboration introduction version

[Broadcast store]

Please check this special collaboration site.

[Broadcast period]

May 3, 2024 (Friday/Holiday) – May 16, 2024 (Thursday)

*The frequency of in-store announcements varies depending on the store.

• Release of collaborative 4-panel manga

To commemorate the collaboration, a collaboration 4-panel comic drawn by Erika Raghono will be released every Thursday from May 2nd (Thursday) on the official X account of Sosai Girls’ Garden.

In the manga, “Kotoriyu Koyomi” challenges a part-time job at Book Off with “Yuki Madoka” and “Saeki Ritsuka” in all 5 episodes.

“Sosai Girls’ Garden” Official X Account:

[Publication schedule]

・Episode 1: Scheduled to be released on Thursday, May 2nd at 20:00

・Episode 2: Scheduled to be released on Thursday, May 9th at 20:00

・Episode 3: Scheduled to be released on Thursday, May 16th at 20:00

・Episode 4: Scheduled to be released on Thursday, May 23rd at 20:00

・Episode 5: Scheduled to be released on Thursday, May 30th at 20:00

• Exhibition of examples

During the collaboration period, examples created for this collaboration by modelers from both Kotobukiya and Bookoff will be on display at the BOOKOFF SUPER BAZAAR Machida Chuo-dori store (Book/Hobby Hall).

[Modeler affiliated with Kotobukiya]

・“Sosai Girls’ Garden” Producer Kameyama P

・TAKA, a member of the plastic model development team

[Modeler affiliated with Bookoff]

・Tiger Kinoshita

・koupla

・Ada

・Kunikurusu

·The 9th

• X follow & repost campaign underway

To commemorate this collaboration, we are holding an X follow and repost campaign where 3 people will be randomly selected to win colored paper signed by Hitomi Owada.

For detailed participation methods and precautions, please check the Book Off[official]anime specialty account.

Book Off[Official]Anime specialty account:

• Some campaign lineups will change after May 17th (Friday).

From Friday, May 17, 2024, there will be additions of collaboration limited items, changes to the lineup of clear bookmarks, background sheets, and in-store announcements. Please wait for further information.

• Overview of “Sosai Girls’ Garden”

A plastic model series from Kotobukiya that allows you to coordinate characters as you like, with the theme of “creating” and “coloring”.

The character design is by illustrator “Morikura En” who is active in many fields.

The YouTube “Sosai Girl Channel” is currently distributing various videos such as short dramas by characters, plastic model production by cast members, and product information.

◆Official site:

◆Official X:

◆YouTube channel “Sosai Girl Channel”:

◆Copyright notation: © KOTOBUKIYA

*Unauthorized use of the images and text published in this document for purposes other than this release is prohibited.

*All other trademarks are trademarks or registered trademarks of their respective owners.