Yuuto *u and Ryuu *s are stepbrother.
Yuuto's mum and Ryuu's dad re-married so four of them living together.
Yuuto is spoiled so much by Ryuu as his big bro.
It becomes so fun and happy.... after one day Yuuto saw Ryuu sleep with man at their house!
Yuuto is so shock knowing that his stepbro is a gay.
But since that day, Ryuu always in Yuuto's mind.
But he must endure his feelings. He doesnt want Ryuu knows about his feeling.
Then Yuuto decide to move out to dorm. After 3 years, he comes back to the house but instead he living together in the Ryuu's apartemen coz Yuuto's collage is nearer from that apartemen.
Koi Nanka Shitakunai