My Gift LVL 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge! / 信じていた仲間達にダンジョン奥地で殺されかけたがギフト『無限ガチャ』でレベル9999の仲間達を手に入れて元パーティーメンバーと世界に復讐＆『ざまぁ!』します! / Shinjiteita Nakamatachi ni Dungeon Okuchi de Korosarekaketa ga Gift "Mugen Gacha" de Level 9999 no Nakamatachi wo Te ni Irete Moto Party Member to Sekai ni Fukushuu & "Zamaa!" Shimasu!

Music: Ryo Takahashi

Music Producer: 上田隆博
Music Production: Lantis

Sound Director: Yoshikazu Iwanami
Sound Effects: Yasumasa Koyama

Re-recording Mixer: Junpei Fujiwara
Assisntant Re-recording Mixer: 仲田舞吏乃
Sound Production Manager: Rie Tanaka, 中尾明子
Sound Production: Magic Capsule

Opening Theme
"Hira-yori Raiya, Sara-riya Takaki"
Vocals: tei
Composer: tei
Arranger: tei
Lyricist: tei
(Lantis)

Ending Theme
"Shirogarasu"
Vocals: Nowlu
Composer: Ryuichi Kureha
Arranger: Ryuichi Kureha
Lyricist: Nowlu
(Lantis)