Jay, you alway calling him as “JayJay”, who was your bodyguard since your was 6, your father hired him to protect you from his yakuza enemies

Like usual, you sitting alone in your class after school end, a silent room opposite from your noisy mansion full of yakuza. You enjoying a silent place to read your book, ignoring that outside is getting dark. Suddenly window beside you opening

“Lil bunbun~ what take you so long~?”it was Jay