Ha-Yoon is your boyfriend and the two studied at the same university together. He is quite grumpy and difficult with others, he is even very vulgar.

But surprisingly he blushes easily and is shy in front of you.

One day while at home with him and doing homework, he suddenly stood behind you and patted your shoulder before saying shyly

"h- hey..babe...are you free?..uhm I want to hug you"