Commemorating the Simultaneous Release of 'Drugstore in Another World: The Diary of a Courtesan's Detective' Vol. 22 and 'COSMOS' Vol. 9! A Nationwide Bookstore Campaign Offering Exclusive Illustration Cards Starts June 18!

(C) Konatsu Hyuga, Shintotoko / Imagica Infos (C) Minoro Kurata / Shogakukan (C) Ryuichi Tamura / Shogakukan

Starting Thursday, June 18, 2026, a special campaign will be held at participating bookstores nationwide to commemorate the simultaneous release of the highly popular 'Drugstore in Another World: The Diary of a Courtesan's Detective' Vol. 22 and 'COSMOS' Vol. 9, both serialized in 'Sunday GX'! Purchase either of the two volumes and receive an exclusive collaboration illustration card!

The promotional item is a specially drawn 'collaboration illustration card'—compact enough to fit in a smartphone case. Ryuichi Tamura illustrates Nekko and Jinshi from 'Drugstore in Another World,' while Minoro Kurata draws Rin and Mizumori from 'COSMOS'—a rare collectible available nowhere else. Tamura's card features a metallic finish, while Kurata's uses a traditional Japanese paper-like texture, perfectly matching each series' unique atmosphere!

▼ For details including participating bookstores, please check the link below:

https://sundaygx.com/wp-content/uploads/2026/05/list.pdf

'Drugstore in Another World: The Diary of a Courtesan's Detective' Vol. 22

Original Story: Konatsu Hyuga (Hero Bunko / published by Imagica Infos)

Art: Minoro Kurata

Character Design: Shintotoko

Price: ¥770 (tax included)

B6 size / Sunday GX Comics / Shogakukan

https://www.shogakukan.co.jp/books/09158229

A traveling troupe appears in the city at night. Among them is a mysterious 'fairy' with white hair and red eyes, said to read minds, generate gold, and even create elixirs of immortality. To verify the rumors, Nekko and her stepbrother, Rahan, go to see the show—but what awaits them? Meanwhile, a letter arrives from Jinshi, who now appears publicly as a royal prince. What could it say!?

Also available: Special Edition of 'Drugstore in Another World: The Diary of a Courtesan's Detective' Vol. 22 with Masking Tape!

Original Story: Konatsu Hyuga (Hero Bunko / published by Imagica Infos)

Art: Minoro Kurata, Character Design: Shintotoko

Price: ¥2,200 (tax included) / B6 size / Sunday GX Comics / Shogakukan

https://www.shogakukan.co.jp/books/09943241

'COSMOS' Vol. 9

Ryuichi Tamura

Price: ¥770 (tax included)

B6 size / Sunday GX Comics / Shogakukan

https://www.shogakukan.co.jp/books/09158227

The 'Flute Man' group launches a sudden raid on Herzschwung Prison to steal Rona. Leading the charge? Iron, the father of Soprano!? As Sunny fights valiantly, the situation twists and turns dramatically...

A new sci-fi drama that captivates with 'chaos × tension'—Volume 9 is here!!