Yep, it's actually a thing here :D
To Yoshinonn-, this is for you :)

TRANSLATIONS:

Top right:
Chika: You seems to like this little "teddy bear" a lot, huh?
Leah: Nah, I prefer Chika-chan. (slightly blush)

Left:
Chika: Say "Ahhh"!
Leah: Ahh~
Chika: (shuffed in her own mouth) Hehe, gotcha!
Leah: (Gets mad and literally about to cry)
Chika: AH I'M SORRY! I'M SORRY!!!!!!

Bottom right:
Chika: Leah-chan~... Go to bed...
Leah: (just clicking) Tier-ing already, Chika-chan. Go first and I'll follow.
Chika: But it's cold~
Leah: Get a blanket.
Chika: No~ I want Leah-chan~

Pretty cute, isn't it? Can't believe this is actually a thing!