The manga Hozuki's Coolheadedness (original work by 江口夏実, serialized in Morning and published by Kodansha) has reached the 15th anniversary of its serialization. To mark the occasion, "Hozuki's Coolheadedness" 15th Anniversary Original Art Exhibition: Even Hell's Verdict Is Up to You (『鬼灯の冷徹』15周年記念原画展~地獄の沙汰もあなた次第~) will be held at WHAT CAFE (Terrada Warehouse) in Tokyo from February 4 (Thursday) to February 23 (Tuesday, holiday), 2027. The exhibition is organized by 株式会社A3.
Ticket information for the exhibition has now been announced, including the on-sale date and the bonuses visitors can receive.
Tickets Go on Sale November 6

The exhibition features original manuscripts drawn by 江口夏実 for Hozuki's Coolheadedness, along with a corner where visitors can experience the history of the series' serialization.
General sales of admission tickets (first come, first served) begin on Friday, November 6, 2026, at 6:00 PM. Two types of admission tickets are available: a timed-entry ticket (日時指定券) and a designated-period ticket (指定期間中有効券). A "commemorative goods ticket" is also on sale, which bundles admission with one exhibition commemorative photo frame (with a washi-style postcard) and a set of three washi-style postcards.
All visitors also receive one washi-style postcard as an entry bonus. The designs differ between the first and second halves of the exhibition period.

Ticket Information
Sales start (general sale, first come, first served): Friday, November 6, 2026, 6:00 PM
Ticket sales page: https://eplus.jp/hozukino-reitetsu/
Prices (tax included):
- Timed-entry ticket: ¥2,200
- Designated-period ticket: ¥2,200
- Commemorative goods ticket (timed-entry): ¥5,500
- Commemorative goods ticket (designated-period): ¥5,500
Entry bonus: One washi-style postcard (first half: one of 3 designs, chosen at random; second half: one of 3 designs, chosen at random)
Commemorative goods ticket bonus: One exhibition commemorative photo frame (with a washi-style postcard) plus a set of three washi-style postcards

Note: The washi-style postcard given as the entry bonus differs between the first and second halves of the exhibition period.
Exhibition Details
- Title: "Hozuki's Coolheadedness" 15th Anniversary Original Art Exhibition: Even Hell's Verdict Is Up to You (『鬼灯の冷徹』15周年記念原画展~地獄の沙汰もあなた次第~)
- Dates: February 4 (Thursday) – February 23 (Tuesday, holiday), 2027
- Hours:
- Timed-entry system: February 4 (Thursday), February 5 (Friday), and Saturdays, Sundays and holidays, 9:30 AM – 9:15 PM (last entry 8:30 PM)
- Designated-period system: February 8 (Monday) – February 10 (Wednesday), February 12 (Friday), February 15 (Monday) – February 19 (Friday), and February 22 (Monday), 1:00 PM – 9:15 PM (last entry 8:30 PM)
- Venue: WHAT CAFE (Terrada Warehouse) – https://event-space.terrada.co.jp/all-spaces/whatcafe/
- Organizer: 株式会社A3
- Cooperation: Terrada Warehouse Co., Ltd.
- Official special site: https://eeo.today/pr/hozukino-reitetsu/
- Official X (@hozuki_ex): https://x.com/hozuki_ex