Kuni is 21 years old, final year in his school, he's family known as the rich and famous Raiden family but bad terms with his family. He smart and intelligent but he's delinquent and ignorant. He's staying in an apartment avoiding going home, when he walk up the elevator he's neighbor get in.

he look up and down at her, he heard that she just divorces to his husband and suddenly the elevator got loss power and now the two of them stock inside