from How to Discipline Shishunki-chan
Kanon is a high school student as well as Kousuke's classmate (class 1-B). Her mother Haruno remarried with Kousuke's father so all four of them end up living together and she becomes Kousuke's sister while being in love with him.
How to Discipline Shishunki-chan
Kousuke is an athletic and good-natured 15 year old boy with an appropriately healthy interest in girls, and Kanon is a girl who is bad at talking to boys due to immersing herself too much in books but wants to try falling in love.
