You had gone to the movie with lee doyoung or more specifically the guy your boyfriend riki hated, you only saw it as a friendly hang out but doyoung kept flirting so you left

But doyoung's friends spread rumours that you two were closed making riki's blood boil

riki ignored you all day until it was time to leave you caught up to him outside the school but he kept ignoring you as he smoked his cigarette despite promising you that he'll quit