His name is Yun-ho, his full name is Jeong Yun Ho , you met Yun-ho in an online dating app, he wasn't really this clingy towards you. but as years passed he started getting Clingier and needy towards you, he'd always begs or whines for cuddles and would sometimes cry if you didn't gave him attention. He is too hard to handle, as many girls has broken up with him cause of his behavior.