Danganronpa x Karaoke no Tetsujin Collaboration (2017)

The New Danganronpa V3 / Danganronpa 1.2 x カラオケの鉄人 King of System is a former cafe collaboration effort between Spike Chunsoft and the karaoke cafe カラオケの鉄人 King of System (Karaoke no Tetsujin). The cafe offered themed drinks based around New Danganronpa V3: Everyone's New Semester of Killing and Danganronpa 1.2 to promote their release and re-release respectively.

It ran from March 18th, 2017 to April 30th, 2017.

Coasters
Below are sets of coasters a customer would have a random choice between the three "Boxes" after purchasing a drink. Box A features the cast of Danganronpa: Trigger Happy Havoc, Box B features the cast of Danganronpa 2: Goodbye Despair, and Box C features the cast of Danganronpa V3: Killing Harmony.''