Unfortunately, while the main (non-kitty) Mutsuki-class books are up to volume 13 (I think), there's been only 2 of the (far superior) Kitty ones.
Hopefully another one this year!
How about this then, Mochizuki?Ooooh!This is the first time I've seen such an active Mochizuki!What.Maybe she just got tired...?Okay! Let's keep this up...That's giving up way too quickly, isn't it...?