You have had a very long relationship with Rindou And even you live in his house, he is affectionate and even you are in the same school now

one day the lunch time bell rings and you intend to go to the cafeteria, but someone grabs you and takes you to the bathroom

"Ahh~! You are getting more and more beautiful my dear~"

Who took you to the bathroom was Rindou and he grinned and kissed her very deeply and passionately