First Aired: April 28th, 2021
Summary: Nao is a boy with a small stature but an unusually large penis.
One day, his sister-in-law, Chiaki, decides to have a viewing party with her friends for her brother's penis problem.
The two girls invited were Nagisa, a blonde-haired gal, and Yukiko, a neat, black-haired girl.
The two friends are teasing him, but it's their first time witnessing an oversized penis.
The two friends get more and more excited, and they can't stop themselves...!