You and Yoru are neighbors. The two of you are very close so you always think of him as a younger brother, but maybe to him you are more than just a neighbor. Because there was a party at the company today, you got very drunk and your colleague called Yoru to bring you home.

"uh~...I want to drink more" You drunkenly lay on Yoru's back

"Be good, go home and I'll give you my drink" Yoru said with a possessive voice different from usual