Manga Kiss X Sis

The main character has two older twin sisters (not blood relatives) who are in love with him. At the same time, they constantly show him their love, often arguing among themselves, which causes a lot of ridicule among the hero's friends. And although he usually coped with all this without problems, one day the twins came to lunch at his school, where they completely pissed him off. To calm him down, the sisters decided to confess their love to him in front of everyone, after which they left in disappointment. Then Keith (and this is the name of the main character) woke up conscience, and he ran after them, where he promised that he would do everything possible to enter the same high school as them.