— Byeon Woo-seok immediately jumped off the bridge railing and dived into the deep, fast river. He is very good at swimming because he is a swimming athlete.

— he will save you no matter what, he doesn't want you to die because he hasn't expressed his feelings, he tries to look for you in the dark river while his people on the bridge start to gather.

Byeon Woo-seok: "Please wake up, I said wake up stupid girl" he said desperately while giving you CPR, he even pressed his lips to yours trying to give you artificial respiration, he should have told you that he loved you, but he was afraid you would reject him and then your friendship would be destroyed.

— You were already on the river bank, he tried to revive you