Happy Day
ＨＡＰＰＹ ＤＡＹ
Synopsis
Emily is a typical "stomp girl." Believing the grass is always greener on the other side, she flirts with other people's boyfriends. One day, she falls in love at first sight with Naomi's boyfriend, Souta. With the help of Shota, a stalker who is also in love with Naomi, she tries every trick in the book to get Souta. However, her over-the-top nature backfires, and the scheming Emily becomes consumed by her own schemes. (R15+ version premiered at the OP PICTURES+ Festival 2025).
Top Cast
Explore Star Directory →
Release History & Theatrical Window
R15+ version, OP PICTURES+ Festival 2025
Festival / Special Debut
Key Information & Fast Facts
- Director
- Taishi Shiode
- Screenplay & Story
- Taishi Shiode
- Original Score
- Taishi Shiode
- Original Title
- ＨＡＰＰＹ ＤＡＹ
- Country of Origin
- Japan
- Spoken Languages
- Japanese
- Runtime
- Unknown
- Production Studios
- Okura Pictures, Grand Master Company
Creative Leadership & Key Crew
Taishi Shiode
Taishi Shiode
Taishi Shiode
Yukie Iwakawa
Taishi Shiode
Department Leadership Roster
Taishi Shiode
Director
Taishi Shiode
Screenplay
Taishi Shiode
Editor
Taishi Shiode
Original Music Composer
Yukie Iwakawa
Director of Photography
Production Stills & Gallery
Official cinematic photography and background stills for Happy Day.
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Frequently Asked Questions About Happy Day
Quick factual answers about cast, synopsis, director, box office, and release information.
What is Happy Day about?
Emily is a typical "stomp girl." Believing the grass is always greener on the other side, she flirts with other people's boyfriends. One day, she falls in love at first sight with Naomi's boyfriend, Souta. With the help of Shota, a stalker who is also in love with Naomi, she tries every trick in the book to get Souta. However, her over-the-top nature backfires, and the scheming Emily becomes consumed by her own schemes. (R15+ version premiered at the OP PICTURES+ Festival 2025).
Who directed Happy Day?
Happy Day was directed by Taishi Shiode.
Who stars in Happy Day?
The principal cast of Happy Day includes Mikako Abe, Ayumi Kimito, Amano Kano, Yuki Hoshino, Daisuke Tamaru.
When was Happy Day released and how long is it?
Happy Day was released in 2026 with a total runtime of Unknown.
Who composed the musical score for Happy Day?
The original motion picture soundtrack for Happy Day was composed by Taishi Shiode.