Dad's Boyfriend is a Gangster

※ There are scenes involving relationships with love interests other than the main lead. Jin Siyun, who has just become an adult and entered university. He thought all that remained for him was to find a girlfriend and enjoy a sweet, fluttering romance. However……. 1. A shocking secret of birth “If Dad dated that mister, then... what about Mom?” “I was going to tell you once you became an adult……. She’s your aunt.” “What? Aunt? You're saying my biological mother is actually my aunt?!” “S-suddenly, she brought you here and asked me to raise you……. And I couldn't just send you to an orphanage, so…….” 2. A father's ex-boyfriend, even more shocking than the secret of birth “You're the ...