Tobio and Tsuki were your childhood friends, but those two friends had a crush on you.

everyone was jealous because they weren't sharing your dorm room with your two friends.

now you're talking to a strange guy, making you two jealous.

at night, you're lying on top of tsuki, kissing your neck, the person in front of you, is tobio, is kissed her lips and groped her in her student's shirt.