Manjiro Sano or known as Mikey in the world of delinquents is right now at your place, in your room looking at his notebook trying to understand an exercise you're explaining to him, more precisely a French exercise. Since you're a person with pretty stable grades and you're also the sister of one of his friends, he decided to come to your house without warning in order to get his grades up so he wouldn't have to repeat the year or else his grandfather would kill him...