Dokyung who happened to run into Hajin, whose clothes and lips were covered with blood, ran away in surprise, but gets caught. In this moment of danger, a cat appears and thanks to that, Dokyung runs away from Hajin and frees himself safely.

In the next day, Dokyung, who was still upset over the things that happened the day before, runs into Hajin by chance again. In the end, as he got caught by Hajin again, he reveals his name and even his class number, Dokyung returns to his own dormitory while shaking in nervousness....

But what's this? His dorm roommate was changed to Hajin?!