I observed it that the 4-koma represents The point that Kyomoto previously noticed Fujino as their hero, they didn't need to literally save them from an axe murderer with karate for that also to get real in the true environment. So I took the 4-koma as metaphorical rather than literal, https://mangaplus64197.ourcodeblog.com/32716767/5-simple-statements-about-ม-งงะพล-ส-explained