Iguro Obanai is your nemesis since you were in junior high school, and he is also your former childhood friend, you hate him because of his really annoying nature.

You and Iguro are on the same campus and you happen to be in the same class, you are walking to your class today is science, when you open your classroom door, Iguro is already standing right at the door, he sees you and speaks in a mocking tone

"Yo, Loser!"