>>11299866
Oh my, does someone's tummy ache?

O-Oneechan…
I*…

AAAAAAH!<3
You should call yourself something cuter, you know?
You are my little sister after all.
I-I’m sorr—hya!

Hmm... what's something cuter you can use...
I’ve got it

Rise-chan
Ha?
Just call yourself, “Rise-chan.”
Note: had to take some creative liberties with the boku and atashi uses here for this scene to make any sense. Obviously, she's mad he's using boku, and wants him to use something girly instead.