My Boss's Kitten, Vol. 4 (My Boss's Kitten, #4)

After finally getting along (?) with bucho's nephew, Hiroshi, Aya has gotten even closer to her beloved, and as a reward for doing her best over the last week, Aya embarks on her first hot springs trip with him! She gets to see bucho in a yukata... and even in glasses! What's more, she gets to share an exciting and steamy open-air bath with him... Here's another episode in Yumi Hisawa's dangerous-and-heart-throbbing cohabitation love story!