A Summer's Accomplice

Season 1

2025 · 12 episodes · 4h 36m in all · 4.6/10

Episodes

1. 

   1. Episode 1

   4 Oct 2025 · 23 min · 5.0/10

   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 dangerous, heartbreaking escape!

2. 

   2. Episode 2

   11 Oct 2025 · 23 min · 5.0/10

   "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 depravity!

3. 

   3. Episode 3

   18 Oct 2025 · 23 min · 4.0/10

   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 same time, Mio's disappearance causes a stir in the world...!?

4. 

   4. Episode 4

   25 Oct 2025 · 23 min · 4.0/10

   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 heartbroken, but...!?

5. 

   5. Episode 5

   1 Nov 2025 · 23 min · 4.0/10

   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 and watching fireworks. However, the police are steadily closing in on them...!?

6. 

   6. Episode 6

   8 Nov 2025 · 23 min · 5.0/10

   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 undone.

7. 

   7. Episode 7

   15 Nov 2025 · 23 min · 5.0/10

   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, Takumi's heart wavers and he makes a decision. Then, Sajima receives a new visitor...!?

8. 

   8. Episode 8

   22 Nov 2025 · 23 min · 4.0/10

   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 Mio, happens to cross paths with Maki deep in the mountains.

9. 

   9. Episode 9

   29 Nov 2025 · 23 min · 4.0/10

   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 tells her other personality, Maki, "Give me back Mio, you fake!"

10. 

    10. Episode 10

    6 Dec 2025 · 23 min · 5.0/10

    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 argument with Aina over Mio/Maki. Takumi's feelings for Maki grow stronger.

11. 

    11. Episode 11

    13 Dec 2025 · 23 min · 5.0/10

    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...

12. 

    12. Episode 12

    20 Dec 2025 · 23 min · 5.0/10

    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 at the end of their escape...?! The final episode is finally here!