Raven Burai - Oneshot

[MangaDex]

 

[Pokari]

Okay, but if the ossan's training is Krav Maga, he himself should already be using a well-formulated, amalgam of quick-to-learn styles focusing on pragmatism and opportunism... why is he leaving the kid to re-invent that clumsily?

Of course going into practical modern military martial arts might just not be magical enough for shounen manga.