Type: OVA
Plot Summary: Special episodes bundled with the Blu-ray volumes, they are called "99.419 Saisun", "99.419 Touron", and "99.419 Kaien."
Genre: Comedy
Released: 2018
Status: Completed
Episode 12
Episode 4
Episode 2
Episode 3
Episode 7
Episode 1
Episode 14
Episode 5
Episode 76