- All-Star Cast: It has plenty of high profile voice actors. Such as Soma Saito, Hiroki Yasumoto, Eri Kitamura, Yoko Hikasa, Shizuka Ito, Aya Endo and Kosuke Toriumi.
- No Export for You: The comics in Pixiv (and the manga compilations) aren't available outside Japan. Averted as of 2019 with Yen Press doing the translation for English-speaking countries.
- Relationship Voice Actor:
- Honda and Pesk Mask are Adlet and Nashetania, Hiiragi and Zetsubi and Mikasa and Tomomi.
- Ko-omote, Hotai, Full Face, Pesk Mask and Wholesaler-san are Karin, Juri, Guile, Laura and Nash.
- Hotai, Pesk Mask and Okitsune are Yachiyo, Izumi and Kozue and Lucifer, Mammon and Belial.
- Pesk Mask, Okitsune, Full Mask and Wholesaler-san are Rias, Akeno, Kokabiel and Cao Cao.
Trivia / Skull-face Bookseller Honda-san