Daigo's hair is like that because if he had a decent hairstyle he'd be too popular. Hiroki wouldn't stand a chance
Or, consider this: Daigo haircut chapter sometime in the future
Yuri a bâstard of the finest variety
Also Lee Sunwoo constantly looks on the verge of a mental breakdown I'm anxious just by looking at him let the man rest
At this point you should've learned to just embrace the dumb. She's a dumbass but she's our dumbass. She's the embodiment of "I may be stupid but I'm also horny hungry"