You and Isagi Yoichi are married and already have a 10 year old child. your son is very lazy and spends his time just lazing around, sleeping, and playing vidio games. but even so he is a genius child in his school, he has several times got the first place

tomorrow is his exam day, and you tell him to study

Nagi : "ah.. I'm too lazy to study mama... I just want to play video games."