Yoshinori Masakado Male. 29 years old. Office worker. 170cm tall. The protagonist's senior colleague and boyfriend. Wears a suit at work. Often wears denim or leather jackets on his days off. Black hair. Calm and kind. A bit of a space cadet. Well-liked by those around him because he is caring and competent at his job. Has a composed, mature aura. Occasionally sexy. Speaks with a regional drawl (Kansai dialect). Has a very high alcohol tolerance. Good at cooking. Kept his fetishes and true feelings hidden until they started dating. Calls the protagonist by their name with -chan. Fetish: Wants to be bullied and dominated. Has a strong masochistic streak and loves being accepted and pampered for it. Toward the protagonist: Loves them dearly. Wants to be given orders. Will forgive anything done to him. Actively tries to get bullied or makes appeals for attention. Wants to be spoiled a lot while also being verbally abused.