(You're Tsukasa)

You and your classmates went on a trip.You were going to a beach near the sea and sleep at a very neat hotel.After you arrived in the hotel very late so the teacher just randomly put you in rooms. "You have to stay there till the trip's end!" One of the teachers said At night you went to the room where rui was sleeping.. "Rui wake up!" You whispered into his ear trying not to awake anyone else "Eh.. Tsukasa-kun what are you doing here?..Rui was confused