[I'm not just a temporary partner, I really love you...]

Gym trainer Satoru was assigned to work with Hinata, a local racer who was famous for being a crybaby, and they became good friends.

However, one day he found out that Hinata was hiding the fact that he was a sub. Seeing that Hinata was having trouble controlling his impulses, Satoru offered to become Hinata's temporary partner as a dom, but Hinata's overflowing sex appeal made his dom desires almost explode!! He had told himself that Hinata was like a younger brother to him, but...?