Diane Tsuda's First Book 'Tsuda Diary' to be Released; Autograph Sessions Announced in Tokyo and Osaka!

Popular comedy duo Diane's Atsuhiro Tsuda will release his first book, 'Tsuda Diary,' on May 27th. To commemorate the release, autograph sessions will be held in Tokyo and Osaka in June.
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  • 📰 Published: May 16, 2026 at 22:00
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Atsuhiro Tsuda, of the popular comedy duo Diane, will release his long-awaited first book, 'Tsuda Diary,' from Shinchosha on May 27th (Wednesday), his 50th birthday. 'Tsuda Diary' is a diary that Tsuda wrote every single day throughout the year 2025. It is a one-of-a-kind book that is almost a 'miracle' in the Reiwa era, with Tsuda exposing his human side—ulterior motives, bad-mouthing, joys, and sorrows—in his writing! We have decided to hold an autograph session to commemorate the release of 'Tsuda Diary'!

We will be holding these sessions at two stores: Book 1st Shinjuku on June 6th (Saturday) and Kinokuniya Grand Front Osaka on June 14th (Sunday). Please check the details and links below.

[Tokyo Session: June 6th (Saturday) at Book 1st Shinjuku]
Location: Book 1st Shinjuku, B2F F-Zone Event Space
Date/Time: June 6th (Saturday), 14:00-
Application Period: May 16 (Sat) 13:00 - May 22 (Fri) 23:59
Winner Announcement: Around the evening of May 30 (Sat)
Price: Book cost 1,760 yen (tax included)

[Osaka Session: June 14th (Sunday) at Kinokuniya Grand Front Osaka]
Location: Kinokuniya Grand Front Osaka Store
Date/Time: June 14th (Sun), 14:30-
Application Period: May 16 (Sat) 13:00 - May 24 (Sun) 23:59
Winner Announcement: May 26 (Tue) 18:00
Price: Book cost 1,760 yen (tax included)

Note: Both events are sessions where you receive books signed in advance by Tsuda. Please note that he will not be signing on the spot. Please be aware that events end once the queue for the final section is empty. If you are late for your designated meeting time, you may not be able to participate. Media coverage may be present, and customers might be filmed.