Danchigai - Vol. 3 Ch. 34

[MangaDex]

 

[BakedBanana]

"Nee-san, that's really weir- ...Out of style." (Page 2)

Out of style? Weird? That's a awesome shirt!

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And I see this manga went against the trope of the MC walking in on girls changing on page 4, very cool.