This student has has failed their driving test thirteen times.
Tamba Ruiko
In this chapter, Yokoi Ruka steals Ninomiya Youhei's insulin, leaving him to die.
Chapter 3
These are the four students in Pink who have their hair put up.
Chiba Airi, Isono Miki, Hayashi Mai, Tamba Ruiko
"Please hurry back. In the meantime, Hama Ran, please take item two from the equipment table."
Monomoko
This doctor has a chronic heart condition caused by a botched surgery done by Dr. Kan.
Tsutsujio Tamemichi
This character has the highest sprite count in all of Tetro thus far.
Tei Atsushi
In this chapter, the Pink students play Defence Game.
Chapter 5
These are the four students in the Blue cast who wear bowties.
Tei Atsushi, Yaitabashi Sou, Nishiguchi Mutsuko, Yokoi Ruka
"What about non-food? Can I eat shampoo or something?"
Yokoi Ruka
These are the names of the three team leads at KFTI.
These are the names of Tsuno Manami's younger brothers.
Tsuno Nekohachi, Tsuno Nizaemon
In this chapter, Monomoko tells Yokoi about each of the deaths that took place in Session One.
Chapter 5
This character initially had a blue colour palette for much of their design process before eventually being switched to red.
Ikeda Daiki
"He’s not here, ignore him, what are you even talking about?"
Hiroaki Nakamigawa
These are the names of the five supervisors in KFTI.
Kitamuro Shinsuke, Kawasaka Mikuma, Hattori Minase, Ibano Taizen, Kurogome Aoki
This Staffside character used to be a kaigo before working for KFTI.
Daikubara Fuhato
In this chapter, a character says, "I-I think it’s more than that though, right? I mean, they’re professionals."
Chapter 3
This student has the 百 kanji on their design.
Ukigaya Neru
"Wh- hah- I- you didn’t mean to?! You didn’t mean to! How didn’t you mean to?! How could you possibly not mean to?!"
Matthias de Clerq
This is the incorrect name that Dr. Nemoto Genki was initially listed under in the MARUMARU log, due to his incomplete memories.
Genki Nakamura
These are the names of Yaitabashi's three friends who only appear in his Video Storage tape.
Raizaburou, Hosora, Uruha
In this chapter, within the Staffside story, Dr. Kitamuro and Dr. Tsutsujio leave the facility for a two week break.
Chapter 2
These three Staffside characters are the only Staffsiders to be drawn with patterned shirts.
"Believe me, I understand. I think we can all empathize with that. Either way, it might help clear your head. Come come."
Kirihara Glass
This is the staffcode for Suga Syoujirou.
434334633