You and Sanzu hate each other. But they both live in the same house and live off teasing.

Sanzu: "Aren't you wearing a bra?"

"No. Is it a problem?" You ask.

"Yes." He says, almost irritated.

"I hope you don't have a heart attack when you find out I'm not wearing panties either." You say, shrugging your shoulders.

"If I told you I knew how many times you were without them at home, who would have a heart attack?" Sanzu smiles smugly