A Summer's Accomplice (2025) is a mystery web series in Japanese. On New MovieLinkBD: full story, cast, ratings, season & episode guide, official trailer and where to watch A Summer's Accomplice online in HD.
A Summer's Accomplice — Storyline
A devoted university student's idol obsession takes a dark turn when he shelters his wounded celebrity crush after her scandalous romance makes headlines, only to uncover her hidden split personality and suspected involvement in a musician's murder—forcing him to choose between love and truth in a dangerous descent into twisted loyalty.
Cast & Crew
- Starring: Masaki Hashimoto, Yuri Tsunematsu, Riko Nagase, Ruka Ishikawa, Jyotaro, Amane Uehara
A Summer's Accomplice — Series Details
| First Air Date | 2025-10-04 |
| Seasons | 1 |
| Episodes | 12 |
| Genre | Mystery |
| Language | Japanese |
| Network | TV Tokyo |
| Status | Ended |
| Rating | 8/10 (2 votes) |
A Summer's Accomplice — Episode Guide
Season 1
- E1: Episode 1 (2025-10-04) — Living together with your favorite idol is like a dream… But she might be a murderer!? A suspenseful love story begins, featuring a man falling into a phantom love and a dangerou
- E2: Episode 2 (2025-10-11) — "My beloved idol might be the murderer…" What's more, she has another personality inside her… A suspenseful love story about a man who becomes an accomplice and falls into depr
- E3: Episode 3 (2025-10-18) — Takumi (Hashimoto Masaki) and Mio (Tsunematsu Yuri) are shocked by the arrival of Mona (Ishikawa Ruka), Takumi's childhood friend. They enjoy a fun time at the festival, but at the
- E4: Episode 4 (2025-10-25) — When Maki (Tsunematsu Yuri) asks him a question, Takumi (Hashimoto Masaki) decides to kill his childhood friend Mona (Ishikawa Ruka). He recalls memories from his childhood and is
- E5: Episode 5 (2025-11-01) — Takumi (Hashimoto Masaki) is visited by his classmate Mizukawa (Jotaro), Mio (Tsunematsu Yuri), and Mona (Ishikawa Ruka), who enjoy a brief summer together by playing in the river
- E6: Episode 6 (2025-11-08) — Another personality, Maki, begins to tell Mio (Tsunematsu Yuri) about her tragic past. Takumi (Hashimoto Masaki) decides to go to Tokyo alone to carry out the tasks Maki left undon
- E7: Episode 7 (2025-11-15) — Takumi (Hashimoto Masaki) has come to Tokyo to retrieve evidence. Mio's (Tsunematsu Yuri) disappearance has caused a big stir in Tokyo, and after meeting his mother at her home, Ta
- E8: Episode 8 (2025-11-22) — Takumi (Hashimoto Masaki) gradually begins to feel attracted to Maki, who lives with the sadness of Mio (Tsunematsu Yuri). Meanwhile, Miyake (Masaki Reiya), a detective pursuing Mi
- E9: Episode 9 (2025-11-29) — When Mio (Tsunematsu Yuri) wakes up, she sees a man lying next to her covered in blood and panics. Meanwhile, Aina (Nagase Riko) finds out that Mio has another personality, and tel
- E10: Episode 10 (2025-12-06) — Mio (Tsunematsu Yuri) watches a video and regains an important memory about the death of her ex-boyfriend Kaito (Asano Junya). Meanwhile, Takumi (Hashimoto Masaki) gets into an arg
- E11: Episode 11 (2025-12-13) — The police finally storm in! Takumi (Hashimoto Masaki) and Maki try to escape on a motorbike, but…!? Meanwhile, Aina explains the whole story at the police station…
- E12: Episode 12 (2025-12-20) — Takumi and Maki visit the seaside town where Mio was born and raised. The two enjoy a brief moment together, but the police are closing in… What will be the outcome for the two a
Frequently Asked Questions
How many seasons does A Summer's Accomplice have? 1 season(s) with 12 episodes.
Where can I watch A Summer's Accomplice? See the Where to Watch section above for current streaming options.
