Voice Actor: Matthew Mercer (https://youtu.be/Qs-3_WBaC2o)

He is a first-year student at Yasogami High School in Inaba and known to many as a notorious delinquent since middle school. He is the only child of the Tatsumi family, owners of the textile shop in Inaba's Central Shopping District. Kanji is a student at Yasogami High School but he often skips class for unknown reasons. 

From the start, he was known as a delinquent. When he was in middle school, he destroyed a biker gang and his notorious fame as a wild person spread to every corner of the countryside town. Although people mistake him as a member of a biker gang or as someone who likes violence, he actually does not have even the tiniest inclination to be violent. When he strongly denies the side of him which enjoys "feminine" hobbies like sewing or knitting is pushed to the extreme, it unexpectedly established his position as a juvenile delinquent. He drapes his school uniform over his shoulders in a punk-ish style to emphasize the atmosphere he wishes to embody. He acts out against any authority figure, but speaks politely to the protagonist and his other seniors. However, when he gets flustered and wants to threaten people effectively regardless of the circumstances, he occasionally gets into fights and scraps. Despite his seemingly rough personality, it is often due to misunderstandings. For example, he once went after a rowdy biker gang, but only to stop them from disturbing his mother. He obeys his strict curfew or his mother will make a f

He was seen with Naoto Shirogane. Naoto was also able to deduce that Kanji would be the next victim, and tries to seek clues by speaking to him. During that time, Naoto expresses interest in the case, which Kanji mistakes as Naoto being interested in him. This results in Kanji becoming shocked and conflicted about his feelings towards Naoto, and more importantly, his sexuality. The Investigation Team attempts to interview Kanji, to no avail. He is eventually kidnapped and put in the Midnight Channel. Kanji's Midnight Channel dungeon is the "men's only" Steamy Bathhouse.