Original Webtoon :
Kakao, Daum

To rein in the danger level of a gangster male lead on the brink of going dark! Baek Ihae, utterly alone, gets transmigrated into a grim 19+ romance game. “Wait… don’t tell me the gangster male lead has his eye on me?!” Thrown without warning into the Seo family, a notorious gangster clan, Baek Ihae must do whatever it takes to protect her quiet, safe life as an extra-extra-extra background character. To reach a happy ending, she has to stop the baby gangster Seo Dogyeom from falling into full-blown darkness. As school life, romance, and the game’s threatening rules collide, the relationship between Baek Ihae and Seo Dogyeom begins to shift in subtle, unsettling ways…! “Why are you only kind to me?” A sweet yet deadly survival romance where you can’t let your guard down for even a second!