Buddy Collection Extra: Kochousou no Kimyou na Go-nin (2021)

Buddy Collection Extra: Kochousou no Kimyou-na Gonin includes a new scenario titled “The Peculiar Five of Butterfly Manor” that expands upon the main game's story and characters. Along with that, there's now more voiced character dialogue.

• Release Date: February 4, 2021
• Developer: Narutrick