Nagatoro-san stood up for Senpai

Senpai Finally Gets Revenge, Please Don't Bully Me, Nagatoro

Cropping it took a while, but it was super worth it!

Don't mis-understand me, Senpai: Thoughts on extreme reactions to Ijiranaide, Nagatoro-san! - Gen X Otaku 1971: the OG blog

I've Had Enough, Miss Nagatoro!. This article is a part of AniTAY's…, by Stinolez, AniTAY-Official

Nagatoro-san stood up for Senpai Don't Toy With Me, Miss Nagatoro on Make a GIF

Don't Toy with Me, Miss Nagatoro (Manga) - TV Tropes

SPOILER] Senpai finally standing up to his bully. : r/nagatoro

Joeschmo's Gears and Grounds: Ijiranaide, Nagatoro-san - Episode 12 [END] - 10 Second Anime

Ijiranaide Nagatoro-san, Ch 84 : r/nagatoro