Little sisters are old hat

Lovely Lovely ❤ Onee-chan

Wha-!!

What do you think you're doing in my room?

Eh? What's the big deal?

Anyway, Onii-chan, I guess you read stuff like this.

--! Th-... That's, uh...

Hmmm, I see. A book of pampering onee-chans with huge boobs, is it?