The project.imas wiki says that Yuki tells Takumi to take it off, but according to the context of this 5-koma, it makes more sense that Takumi is saying it to Yuki because Takumi is 18 and Yuki is the one that is 20. Unless there is a translation error...
Don't think that the school uniforms are just for you!Leader...W-What's with you all staring at me!You're 20, right? Take it off!To someone like you the school uniforms are cosplay!Thanks to the power of school uniforms our fans had their eyes glued on us!Takumi-chan!Hold on a second!Eh, it's cute, Takumi-chanShe's still in schoool, but it looks like cosplay...
The School Festival Live is going to begin!
Cinderella Girls Theater
若い子の特権 / Young woman's privilege It's a bit embarrassing to me