Saikin, Imouto no Yousu ga Chotto Okashiinda ga. - Vol. 3 Ch. 13 - What's Wrong in Having my Heart Race in Front of Him?

[MangaDex]

 

[HoesLuvHerro]

Lmfaoo the author knew what he was doing in page 25

He must be feeling all the whiplash from her different personalities though