Momoiro Meloik - Vol. 1 Ch. 6

[MangaDex]

 

[arkserion]

2nd time reading this and I just realized how creepy it actually is lol.

MC is taking advantage of the trust his sister has for him + the fact she isn't the brightest bulb to look at tits and rub them.

 

[ngkn92]

Call the police already...

 

[OverlordSaiki]

He didn't even think what her sister will do when she grows up and remember these events.
She'll leave him forever.