Yoshino Oinari-kun's debut light novel 'Osananajimi Dousou Kai' releases on Aug 7, 2026

Shufu-to-Seikatsu Sha will release 'Osananajimi Dousou Kai' on August 7, 2026. The book is the first light novel by Yoshino Oinari-kun, a member of the comedy duo Maison and YouTuber group Itabashi House. Illustrated by Yukiko Tada, the story is a unique time-loop comedy about a man trying to build his ideal childhood friendship. The light novel is priced at 909 yen (plus tax) with ISBN 978-4-391-16773-3. To celebrate the release, an autograph session and book handover event will be held on August 22, 2026, from 13:00 at Horindo Book Store Takadanobaba 8F Event Space. Reservations for the event open on June 7, 2026, at 12:00 via LivePocket (https://livepocket.jp/e/cxsr9) and are limited to one ticket per person on a first-come, first-served basis. Yoshino Oinari-kun, born in 1994, is a 10-year veteran comedian under Yoshimoto Kogyo and a finalist of M-1 Grand Prix 2025.