Danshi Koukousei wo Yashinaitai Onee-san no Hanashi - Vol. 3 Ch. 81 - Drenched in the Rain

[MangaDex]

 

[bobo]

Humongous onee-sans

 

[Punllarena]

HUGE!

 

[Hollow7F]

thats literally hot

 

[MesaOracle]

Finally, the plot develops.

 

[Psychronia]

At this point, they can take advantage of her biologically-ingrained Minoyru fetish for everyday conveniences.

 

[Namek250703]

Look at the 5th page, she's basically Speedwagon.