Unaired episodes included in the third and fourth Blu-ray/DVD volumes.

Entry includes:
1) Bottom-Tier Character Tomozaki: Post-game equipment for girls is a little different than usual

After stopping for lunch at the café where Kikuchi works, the gang chats about love and dating while she tries to listen in--and stay out of sight.

2) Bottom-Tier Character Tomozaki: Most strange spell names have unknown origins

Aoi, Mimimi, and Tama reminisce about the early days of their friendship and a fireworks show that provided the inspiration for Tama's nickname.

(Source: Crunchyroll)