Ore no Ie no Koakuma Imouto - Vol. 1 Ch. 13

[SuplexSensei]

"Was I too aggressive..?"
"..!"
"Ara~ Onii looks like a kid, smooshed to me while he's asleep like this."
"...Something's poking down at my-"

 

[PoDH]

"I fainted"
*few weeks later
"Onii-chan look at this"
*hold a certain medical test tool