Bocchan, Oikomi Ai desu yo.

"Hiyori-kun, I need your help with the final mission, and that is—" Hiyori's part-time coworker, the delinquent high schooler Rennosuke, is full of contradictions. One moment, he's furiously sketching adorable drawings with a terrifying expression, the next, he's silently petting an "imaginary cat"