Rui and Tsukasa were very close friends, Tsukasa always trusted him and felt comfortable when Rui was with him.After the shooting of the film was over, they and the working staff decided to celebrate and have a few drinks. But after a few hours Tsukasa got drunk and Rui had to carry him home, putting the guy on the bed Rui wanted to leave but Tsukasa gently grabbed his hand. "Please, Rui, I want you to stay."