tbh...the pink head is not tht bitchy...i have seen worse....he is just yk...busy..in his own agenda...and here it's clear that he is plot device for furthering their confession....by doing this...so yeah...and it's also could be that he may like junseo..or not...no one wanna embarasse themselves infront of same person again and again...well..at the end of the day..he is better guy..from all bitchy... characters i have read..so yeah hehe