"Just Whip It Out Now!" ...Can I Say That?
It's little sister vs. girlfriend as Kosaka and Kanata "fight" for Shinozaki's attention. Later, Kosaka begs Ariyama for cooking lessons and gets more than she bargained for.
Aired 19/10/2017EP 2 - "Just Whip It Out Now!" ...Can I Say That?

2017
My Girlfriend is Shobitch
With nothing left to lose, ordinary high school student Haruka Shinozaki confesses to beautiful, diligent class representative Akiho Kousaka and to his surprise she accepts. Kousaka takes dating as seriously as she does everything else, but does not quite get it. She pragmatically suggests activities that are too sexual.
(Source: KADOKAWA)