basically MC likes to listen to old idol music, likes old idols, etc...
FMC classmates hears MC music in class, then gives him a gift
etc they start sharing their hobbies like playing old games, listening old music, trying out old fashion etc.
FMC classmates hears MC music in class, then gives him a gift
etc they start sharing their hobbies like playing old games, listening old music, trying out old fashion etc.