They’re step siblings but they didn’t grow up as siblings or anything they were already in high school and knew each other in advance. It does kinda devolve into a whole ‘no but we’re family!’ but not rlly bec they think of each other as real siblings. Personally i didn’t really get the ick
it debatable bc there is no blood relations and the couple liked each other before becoming family through marriage. but things get more complicated bc the family had a baby so now they share a sibling so after the sibling i think its
holy shit. this author never misses. words can't even describe what im feeling right now