A girl searching for a stranger's scar on his back, hoping he's the one who saved her. That's the entire romance engine, and it works because her obsession isn't cute, it's real. She trains in judo to become worthy of him, then walks into a school where multiple boys carry that same mark, and suddenly her agency collapses into waiting for one of them to choose her back. The show knows this contradiction exists. It never pretends the girl stays the fighter she started as once the boys arrive. The romance dissolves her into someone passive, which is exactly what the premise demanded it would do.
Nonoka carries a debt she can't forget. Years ago, a mysterious judoist with a distinctive scar pulled her from danger, vanishing before she could even thank him. Now determined to track him down, she's thrown herself into martial arts training, building herself into a fighter worthy of his strength. When she transfers to a new high school, two athletic boys immediately catch her attention. One of them could be her rescuer. One of them could be something more. As Nonoka navigates school life alongside these two potential matches, she grapples with competing desires: the burning need to find and repay her savior, and the unexpected feelings blooming as she spends time with them. The closer she gets to uncovering the truth about the scar she's been chasing, the more complicated her heart becomes. This OVA balances action-packed fight sequences with genuine romantic tension, creating a story about gratitude evolving into something deeper. For viewers who enjoy martial arts spectacle mixed with sincere character moments and the thrill of romantic uncertainty, this delivers both in its compact runtime.