Boarding School Juliet Vol. 9 (Kodansha, 2019)

Inuzuka's back home in the Nation of Touwa for winter break--and Persia's come with him! She's even staying over at his house, disguised as middle school boy Julio. But the Inuzukas' “guard dog” Shuna soon suspects Julio of being a member of the fairer sex, and there's only one way to put her off the scent. That's right--for our Romio and Juliet to bathe together! When in Touwa, Julio will have to do as the Touwanese do!