Koi Nanka Shitakunai - Kyou Kara Kyoudai Ni Nari恋なんかしたくない 今日から兄弟になり; 我才不想谈恋爱; I Do Not Want to Fall in Love; Koi Nanka Shitaku Nai; Koi Nanka Shitakunai

When Nakajima's mother decided to remarry he was afraid but everything turned out to be even better than he expected. His new older brother helps him and spoils him a lot and they're getting along very well until the moment when Nakajima comes home earlier and sees his big bro playing with another guy in bedroom. What's gonna happen from now on?