Watashi ga Motenai no wa Dou Kangaetemo Omaera ga Warui! - Since I'm Not Popular, I'll Become a Hero (Doujinshi) - Oneshot

[MangaDex]

 

[ReaperCreeper]

That got a bit darker than I was expecting.

Also how can it be sentai without red?

 

[Blue-Plum]

lol, @ReaperCreeper... because there's already pink? ,:v