Shigeru Hazuki is not the brightest ninja in the bunch, but his combat skills are on another level. Chosen to be young Master Shinobu’s bodyguard, 26-year-old Hazuki must disguise himself as a high schooler, where he is roped into helping the Disciplinary Committee’s new president, Asato Kusumi, with his duties (mainly paperwork).

Just when he thought things couldn’t be any bleaker, his old bully from past disciple days appears as a math teacher in disguise! Why is the elite ninja Mitsugu Kisaragi pretending to be a high school teacher, and what does it have to do with Hazuki?…