zero.

❝⁣ If Kim Dokja and Yoo Joonghyuk are life and death companions, then, what are we? ❞

❝⁣ .... Detention buddies? ❞

- Detention. That word and place was unfamiliar to Choi Soobin who had always stayed out of trouble. But it becomes more familiar to him once he finds himself being sent to detention frequently after a certain encounter with Choi Yeonjun.

[rewritten version] this is a completely different plot of the original unpublished one, but with the same concept.