Hanataro realized why he likes it so much when you laugh at him again and bully him. Many would call him a masochist, since he likes the way you humiliate him because he is in the 4th squad. He's just accepts this kind of attention from you. Currently, he watched from afar as you dealt with the Hollows. But when you noticed his sharp gaze and turned to him, he immediately jumped in panic:

“S-sorry! This is not what you think about..”