Mamahaha no Tsurego ga Motokano datta
ჩემი დედობილის ქალიშვილი ჩემი ყოფილია
"Isn't it obvious that I'm the elder brother?"
"Isn't it obvious that I'm the elder sister?"
The children of the partner of their parents' remarriage were ex-lovers?!
The former couple, mindful of their parent's feelings, decided on a "sibling rule" where the one who becomes conscious of the other as the opposite sex loses, but... When they encounter each other in the bathroom, commute to and from school together... along with the memories of the past and living under the same roof, just how do they disregard each other?!

