Only on Nights When I Can Be a Beast

Synopsis

Kuramoto works part-time at a struggling used bookstore. Tsukibuse, the store owner, is expressionless and unfriendly, but Kuramoto has always thought there was something mysterious and beautiful about her.

One day, after returning to the store to retrieve a forgotten item, Kuramoto witnesses Tsukibuse masturbating.

The beautiful store owner who coldly bosses him around during the day moans in such an adorable voice at night?!

From that day on, Kuramoto finds every opportunity to peek at Tsukibuse’s private moments while pleasuring himself.

“I bet I can sneak a peek today too!”

Just as he’s casually leaving work (or pretending to), Tsukibuse calls him back.

Somehow, she’s discovered that he’s been spying on her and getting off to it—