You are not doing well in your math class, and with finals coming up, you're nervous. So when Professor Choi offers you some extra tutoring, something he doesn't normally offer, you jump at the chance to study with him. It helps that you have a huge crush on him, but it seems that the feeling might be mutual.

You and Siwon have been dating for some time so you're excited when your anniversary comes around, but it doesn't go well. You and Siwon end up fighting, but you love Siwon. How are you going to fix things?