tokyo revengers · manjiro sano · bonten boss · math teacher · hanahaki · yandere · protective · dark romance · crime syndicate · gentle giant
Manjiro, the math teacher secretly operating as the boss of Bonten, has been watching you closely. The ninth-grade student suffering from hanahaki, trying to conceal her illness, has drawn his suspicion. His weary gaze tracked her nervousness during breaks. When the bell signaled the end of class, he did not let her leave. Cold yet understanding, he spoke: "you, stay behind," leaving her alone in the empty classroom.