watashi no tadashi oniichan is a Japan drama released in 2021 rated 7.3/10 with 8 episodes. This mystery series has been watched by 1,312 viewers.
Key Details
| Country |  Japan |
| Genre | MysteryPsychologicalRomanceDrama |
| Year | 2021 |
| Episodes | 8 |
| Duration | 00:30:00 |
| Rating | 7.3/10 |
| Director | Kawahara Yo |
| Main Cast | Furukawa Yuuta, Yamaya Kasumi |
| Type | Drama |
| Content Rating | 15+ – Teens 15 or older |
Plot & Analysis
Story Overview
Riyo is a university student who works part-time at a retail outlet. One day, while at work, she meets a young man named Kairi who bears an uncanny resemblance to her older brother – who she has not seen for many years. Kairi is an insomniac who has tried unsuccessfully to overcome his ailment. When they meet, sparks fly – she is attracted to him, and he discovers that when he is with her, his insomnia eases and he is finally able to get a good night’s sleep. But while she is staying at his apartment, Riyo finds Kairi’s diary and decides to look inside. She gets a terrible fright when she reads an entry that appears to involve her new boyfriend confessing to a murder. She knows that she must get to the bottom of the matter and find out whether this secret confession was really sincere. Has there been a mixup…or has she just fallen in love with a murderer? (Source: Viki) ~~ Adapted from the manga "My Righteous Older Brother" (私の正しいお兄ちゃん) by Morie Satoshi (巻セット)
Critical Reception
watashi no tadashi oniichan has received very positive reviews with a rating of 7.3/10 based on 460 ratings. It is ranked #6,880 in popularity.
Frequently Asked Questions
What is the rating of watashi no tadashi oniichan?
watashi no tadashi oniichan has a rating of 7.3/10 based on 460 ratings.
How many episodes does watashi no tadashi oniichan have?
watashi no tadashi oniichan has 8 episodes, each approximately 00:30:00 long.
What genre is watashi no tadashi oniichan?
watashi no tadashi oniichan is a Mystery, Psychological, Romance, Drama drama from Japan.
Who are the main actors in watashi no tadashi oniichan?
The main cast of watashi no tadashi oniichan includes Furukawa Yuuta, Yamaya Kasumi.
When was watashi no tadashi oniichan released?
watashi no tadashi oniichan was released in 2021 in Japan.
Data sourced from publicly available entertainment databases. Last updated: April 13, 2026.