Some high school boys form a group and build a special underwater (pool) robot together and participate in a competition. Some of them are a little clumsy

[Relight]

Some high school boys form a group and build a special underwater (pool) robot together and participate in a competition. Some of them are a little clumsy

[FishHaveBestFriends]

Is it Spare Parts (2015)?

Spare Parts (2015) ⭐ 7.2 | Biography, Drama, History