In the big city of Yanagihara, the masses of people and buildings make it a bustling place to exist, and yet, people will meet and fall in love here in this city.

Haneda Takashi has a secret he cannot speak of. To leave his dull school life, he was supposed to have escaped to another world. However, he is reeled in by certain ties on his heart. One of these is Kobato, his awkward younger sister. The other is Watarai Asuka, his negligent girlfriend. Chitose Shuusuke is a poor freeloader. He passes his days working at various part-time jobs. One day, he has a disastrous first encounter with Tamaizumi Hiyoko. The next time they meet, Shuusuke discovers that they are fellow employees at his part-time job. Narita Hayato sees himself as a hard-boiled person. Back-breaking jobs are nothing to him. Hayato shuns normal human contact, but, during the nights, he would get together with delinquents and other denizens of the night. One such night, he meets the cheerful and oblivious Ootori Naru. The relationships with these girls will greatly affect these three young men. But what, exactly, is the relationship these young men have with each other?—AniDB