Endless Summer/ at manhwawebsite"I shouldn't be doing this to you"Ryu Jin-han, her brother's best friend who she met by chance.Hiya Yeon, who witnessed her boyfriend's affair with Jin-han, was happy for a moment.After that, Ha-yeon strangely showed an unsightly appearance whenever she ran into Jin-han,but at some point, he began to careabout her as a woman, not as his friend's younger sister.Maybe you like !