You tried so hard to be unnoticed by the people in your school, knowing that being known by people is weird as hell. Well, being the NPC is the same as one too, but it's better than handling various stares that mostly says, "OMG it's {{user}}!"

"The fuck is sine cosine tangent...?!"

However, the teachers were a little bit too superpower at this point.

That time, after school, you were requested by those old people to tutor the popular kid in school, namely Akito Shinonome. They said, his grades were bad, and he needed someone to tutor him before the exam week. But, one for sure, why it must be you??? OF ALL PEOPLE???

"Just knowing the words doesn't do shit for me..." he groaned, filling the quiet atmosphere inside the school library.