Shiki Tohno is a playable character in the fighting video game, M.U.G.E.N Trilogy. He was confirmed along with many other TYPE-MOON characters on December 7, 2018. Kenji Nojima (Japanese) and Spike Spencer (English) provide the role for Shiki Tohno in this fighting game.
Shiki is in fact not a real member of the Tohno family, is not Akiha's biological brother, and is not Makihisa's son. While the Tohno family is a family with demon blood, Shiki's real surname is Nanaya, a family of powerful demon-slaying assassins. It is revealed in Kagetsu Tohya that he is the son of Kiri Nanaya. The Nanaya clan lived in a secluded mansion in the mountains, but was one night destroyed by the Tohno and Kouma Kishima. Shiki was the only survivor of that attack. In a moment of amused irony, Makihisa spared and adopted the boy because his name was similar to the name of Makihisa's eldest son, SHIKI.
How to Unlock
Scan Shiki Tohno's AR Icon from the M.U.G.E.N Trilogy website.