Watch Koinaka

2025
1 Season
6.8 (146)

Aoi Miura (Sota Fukushi) was born and grew up in Toyama Prefecture. He has an indecisive personality and does not like summer. He was the focal member of the high school swimming team, but he now works as an assistant at a small architectural office in Tokyo. One summer day, he meets his childhood friend and first love Akari Serizawa. During their school days they spent everyday hanging out together until the fireworks night in their 3rd year of high school. That night, Akari suddenly disappeared. Now, Akari has a man named Aoi.

Koinaka is a series that ran for 1 seasons (9 episodes) between September 22, 2025 and on Fuji TV

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Seasons

9. Episode 9

September 14, 2015

Aoi finally realizes just how important Akari is to him. He desperately chases after her as she heads to see Shota.

8. Episode 8

September 7, 2015

After witnessing Shota’s proposal and promise to support Akari, Aoi doubts whether he is ready for such a commitment to the future.

7. Express Love

August 31, 2015

Akari heads to Aoi’s place from the hospital after keeping him waiting all night. Aoi sends her home without allowing her to offer an explanation.

6. Determination

August 24, 2015

Akari and Aoi are finally able to express their feelings. They head home, but something is growing in Akari’s heart from the time she spent with Aoi.

5. Last Fireworks

August 17, 2015

Aoi heads for Shota’s place after hearing that Akari hasn’t come home. Shota tells him she ran out after hearing about her father.

4. Betrayal

August 10, 2015

Akari is shocked to find her love letter to Aoi in Shota’s house. Aoi is excited by the thought of entering an architecture competition.

3. Truth About 7 Years Ago

August 3, 2015

Kohei teases Aoi after he comes home from seeing a movie with Akari. Aoi sees a man who looks like Akari’s father at his new work site.

2. Distence Which Cannot Come Back

July 27, 2015

Aoi is shocked to learn that Akari is dating his friend Shota. On the way home, he discovers that Kohei is in Tokyo while talking to him on the phone.

1. The Summer You Are With Me

July 20, 2015

Aoi Miura slaves away at his job in Tokyo. When an old friend calls him about a class reunion, his thoughts turn to his childhood friend Akari.

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Where to Watch Koinaka

Koinaka is available for streaming on the Fuji TV website, both individual episodes and full seasons. You can also watch Koinaka on demand at Netflix.