1) blonde one= lee iseul. black haired= han jihyuk
2) both of them are bisexual men
3) non-toxic, jihyuk is patiently flirting(lightly) for a very long time, whilst iseul is oblivious to the flirting--but then falls in love and panics.
4) they met each other during their high school lives and jihyuk was a transfer student there in the middle of the...... reply
did break old habits
