I know translation is proably not 100% right but the translators are killing me with some of the things they choose to write. I don't even like Ninja but that reference was hilarious.
Damn even I felt the social axniety when Ichikawa got pulled by the Senpai guy. Also no shit everyone knows when both of them are always alone together in the library.
@Phantoxic I 100% agree that he is at least funnier, since we have already seen 100 bullied protagonists in other Manhwa/Manga the twist here makes it better.