僕の姉的存在の幼馴染が、あきらかに僕に好意を持っている件〜 (Associated Names)

Kana Nishida, my childhood friend who is like an older sister to me, is a girl with three things in common: good looks, good manners, and excellent grades. She goes to a famous girls’ school around here. Kana, who seems to have no connection with me, suddenly approached me one day. My name is Kaede…