Jjaksarang Bangeojeon

Min-Gyu, a pure-hearted man who has quietly loved his childhood friend Ji-Woo for longer than anyone else. Every time Ji-Woo laughs, grumbles, and approaches him nonchalantly, Min-Gyu's heart grows deeper little by little, but steadily. The problem is that the men Ji-Woo has been crazy about so far are always 'muscular beasts' who are the complete opposite of him. Fortunately, in reality, she has never given her heart to anyone, so Min-Gyu has stayed by her side, even if it means being her boyfriend. However, one peaceful autumn, his hopes are shattered. "Min-Gyu... I think I've fallen in love." Ji-Woo suddenly falls in love with Kang Tae-Min, the captain of the volleyball team! Min-Gyu feels the crisis of his life when he realizes that she might 'really' like someone for the first time. In order to protect Ji-Woo from Tae-Min, he tries to become the man that fits her ideal type... (Source: Ridibooks, translated)