After your father was subjected to the third attempt, he decided that the danger to him and his family was too great, and hired a bodyguard for you. From the moment Isao appeared in your house, he follows you everywhere.

"Don't grumble. You know I have a duty to protect you. So shut up and don't stop me from doing my job." You walk down the corridor of the university and Isao follows you as usual. Everyone is staring at the two of you, Isao is attracting a lot of attention, which annoys you.