|Gallery | Relationship | Quotes|
|Relatives||Shoichi Kusanagi (Older brother)|
|Duel Monster statistics|
|Anime||Episode 2 (Flashback)|
Shoichi's brother is the younger brother of Shoichi Kusanagi and a mentioned character in the Yu-Gi-Oh! VRAINS.
Both he and Yusaku were involved in the Lost incident 10 years ago. Despite having been rescued, he is still suffering from the shock of the incident. This event drove Yusaku to fight for him, and defeat the Knights of Hanoi so that Yusaku might save him from darkness.
He has been mentioned several times by Yusaku Fujiki and Shoichi Kusanagi, who are fighting Hanoi in order to find him. After Shoichi discovered the true identity of Blue Angel who is Yusaku's classmate and step sister of SOL Technologies Security Manager Akira Zaizen Shoichi suggest Yusaku to meet her so that he can get a lead on Akira reagarding his whereabouts and Yusaku's stolen memories but he doubted the plan would work due to Yusaku's poor social skills with women. He was indirectly mentioned during Playmaker's duel against Revolver as the former vow to Revolver he would save him. While Yusaku and Shoichi were deleting the files of Playmaker people post on the network Yusaku wondered if it was wise to seek Revolver out for answers about Yusaku's past, and about Shoichi's brother.
|Main||Aoi Zaizen • Go Onizuka • Yusaku Fujiki|
|Den City||Aoi Zaizen's robot • Den City orphanage owner • Eagle • Emma Bessho • Frog • Go Onizuka's manager • Hosoda • Isomaki • Makoto Kimishima • MC • Naoki Shima • Pigeon • Roboppy • Shoichi Kusanagi • Tanaka • Sato • Suzuki|
|SOL Technologies||Akira Zaizen • Bishop • Hayami • King • Knight • Kitamura • Pawn • Prototype Ai-A • Prototype Ai-B • Queen • Rook|
|The Knights of Hanoi||Doctor Genome • Faust • Kyoko Taki • Kiyoshi Kogami • Revolver • Specter|
|Other characters||Shoichi's brother|