Around 10 years ago, the spiky-haired boy recalls inventing a new move. "I came up with it..." he says, sweat on his face. "Actually it goes by the name of 'Ko-Koriko,'" the narration continues. "The 'Hanare Kakushi' tactic the great leader came up with... It involved a new move which I came up with as a counter-measure against the three-spear attack by placing the Chyuuishou in the center, called 'Gyulugyulugyulushou.'" The boy looks intense. "I was actually pretty happy about it..." he admits with a faint smile. "Somehow... I wondered if even that stupid little me was able to give birth to a smart child like him." The tactic "Gyulugyulugyulushou" from "Kokoriko" provided the user with the ability to checkmate and was considered a superior tactic and was very popular. "They made a big deal about this at the time..." the boy continues. "Was also me," he adds quietly. "But the one who killed the child..." A hand clutches fabric in distress. "I won the match, but from that day on, my child vanished from any official matches or guide books," the boy states. "I came up... with this move," he says. "One year after I came up with Kokoriko... during the national championship match, when my opponent used Kokoriko against me..."