high school,friendship,love triangle,homophobia,forbidden love,dysfunctional family,sexual violence,tragedy,unrequited love,organ transplant,heartbreak,illness,secret admirer,secret relationship,social issues,cohabitation,gay romance,time skip,gay relationship,enemies to lovers,secret crush,disapproving parent,boys' love (bl),youth,meet again,family pressure,hot-temper,violence,love square,secret romance,bisexual,step-sibling romance,jealous,character development,break up,forced break-up,roommates' relationship,return from abroad,ex comes back,stepbrothers' relationship,studied abroad