Maruki Sankaku (三角 マルキ, Sankaku Maruki) is a character introduced in second and third part of the story.
Maruki have a really poisonous tongue every time she talks, and she seem to like to speak some strange words.
However, Maruki's real personality is actually a cheerful and a childish girl, she acts like a dark child in order to protect herself and survive the death games. Maruki is also a big fans of Yuuma Mukai and Ayame Kamijou even since the ID Getter Club game and like both of them so much.
Chapter 11-70 (Second Season)Edit
Maruki first appeared in Chapter 68, she's sleeping in the sofa while the other survived players are celebrating their victory and the end of the SNS Tag Game with Marble.
Chapter 71- (Third Season)Edit
- While Maruki's info page is written she is 10 years old, she is actually 14 years old.
- Maruki referring the Loli who have passed age 11 or so will consider as a old lady, which she claim herself as a old lady due to her actual age.