時々履いて来ない隣の席の聖女様は、俺にだけこっそりスカートの中について教えてくれる (Associated Names)

I am Himuro Haruki and there’s a “Saint” in my class. Saotome Seira. Neat, lovely, and above all, the most beautiful girl in the entire school, she’s the object of every boy’s affection. However, lately, she’s started whispering to me only. “Today it’s black.” “…What are you talking about?” “What do you think?” As I…