(COMPLETED) He saw how childish she was, he saw how she unknowingly married his son without knowing the meaning of marriage.He saw how innocent she was. He was in love with her at first sight but couldn't tell her as she was his son's wife. His cold heart falls for her unknowingly. At first, he ignored her as he thought it was a sin but after she became a widow he wasn't able to hide his love for her anymore he accepted that she was His . He becomes a big sinner for her , his love is sinful and dark but he loves her truly with his whole heart. His heart is dark but only beating for her, his Y/n. He married her , made her his . He makes her feel safe. She became his addition, his dark desire.....he is cold for everyone but he is soft for her only for her . He killed many people just to save her from cruel people..... He is a psycho for her. His dark personality isn't new as his childhood was dark . Loving her may be a sin but he can't help it because he is a sinner. A Yandere Jungkook love story..... ------------ Jungkook: If loving her is a sin then it's ok for me as I is a sinner *smirk* It's a mature book 🔞 The story belongs to me so don't dare to copy it!! Nothing is real here .....