Close as Neighbors - 18

21st Century, Annoying Character/s, Axed/Cancelled/Discontinued, Beautiful Female Lead, Big Breasts, Big Penis, Borderline H, Caught in the Act, Cheating/Infidelity, Childhood Friend/s, Childhood Love, Cohabitation, Cunnilingus, Dense Protagonist, Dumb Male Lead, Fellatio/Blowjob, First Love, First-Time Intercourse, Flashback/s, Footjob, Full Color, Handsome Male Lead, Immature Male Lead, Immature Protagonist, In Love with Family Member's Lover, Korea, Masturbation, Milf/s, Multiple Love Interests, Neighbor/s, Netorare, Nudity, Older Male Younger Female, Oral Intercourse, Plain-Looking Male Lead, Reverse Rape, Sleep Intercourse, Small Breasts, South Korea, Tsundere Female Lead, Unrequited Love, Unrequited Love Becomes Requited, Unrequited Love Stays Unrequited, Virgin/s, Web Comic, Webtoon, Wet Dreams