zephyr4's manga / #Misunderstanding(1)

Chapter 4 there were two classmates (i'll call them A and B). A had a crush on B and A thought that B liked the sensei. One day the sensei got engaged and A went to yell at the sensei like "dude B loves you how could you do this" and the sensei is confuzzled. turns out, B loves Too TEAcher is getting married