Proper Japanese name: Kiyoshi Koji (æ¸ æµ©äº)
Koji Kiyoshi is the 12 year old character from the Shuriken Rantō Cryptoverse series created by Fujima Kunisada. He is the lead character of the series, debuting in BangBang Comics, Issue #5 (2021), with the title, “Rough At the Beginning (åããã¨ã«å¤§ã¾ã㪠Hajime-goto ni Åmakana)”.
The Marc Part
Entrance to the Junior High
In his debut, he has always dreamed of becoming a great Crystal Brawler. He was studying Crystal Monsters ever since he was younger, and now that he decided to apply to the Crystal Brawler Junior High School, he has to pass the entrance exam. However, by the time he took the entrance exam, he unexpectedly failed the exam, which has led him straight home afterwards. But he sees the power came out, and then he met Roakijushiku. Roakijushiku befriended Koji and he decided to go with Roakijushiku to see what was causing the power outage. They have encountered Darkslash, the strong Crystal Monster of them all, with Level 40. Roakijushiku gets Koji to use the Crystalrist to use the power given to him to fight Darkslash. However, eventually defeated, Daichi Kentaro, Koji’s new mentor, and the principal of the Crystap Brawlers Junior High School, granted him a second chance due to his observation of the battle between the Crystal Monster and Darkslash.
In Chapter 2, he has started his first day of Crystal Brawler Junior High School. He met his health teacher, Takeshi Kenta, where he have entered the simulation to fight the Pacmans. While Koji and Roaracryst are experimenting their fusion into Kojiroara, and testing out their powers, Soramausu, the newcomer, was being attacked by PacMan while being low on power. Kojiroara ended up saving her and decided to fight alongside her to get points. That is until Sabunako have ended the simulation by killing all of the PacMans. Koji both befriended Saburo, Nainkoto, Sora, and Mausuretto, and unexpectedly ran into Shinju Kumiko, who have scolded him for coming into school even though he have failed the entrance exam. To get back at him, she decided to get through him by beating him up, until the Pac Mans begin to invade the Junior High School. However, Koji and the two new Crystal Brawlers, Saburo and Sora decided to defeat the Pac Mans to save the school. Afterwards, Koji met Professor Shari who sometimes works around the school in order to pay her bills. Koji decided to be friends with Sora and Saburo.
In Chapter 4, Koji and Roakijushiku ended up destroying the garden back in Justpip Town when they were racing to get the Crystal Ball. Fortunal, a new character, Aoha Atashino, decided to go easy on him instead of calling the police because she has a crush on him. To make up for destroying her garden, Koji have agreed to take care of her garden while she was gone. However, the human-trap plant captured Koji and Roakijushiku. Before they were digested, Aoha have saved them from the Plant trap.
In Chapter 5, he met Manama Yoko, a Water-type Crystal Brawler with Dolphlon who is a producer of the “God Water” company. In Chapter 6, he have also met Ryou Fumihito, a dropped-out Crystal Brawler who is also Shari’s assistant for her lab. He ended up taking care of the lab with him, unsuccessfully. In Chapter 7, he first met Marc, a Crystal Monster who appears in his dream every night, and gave him a story about why he appears in the cave. in Chapter 8, he met Riku Katashi, who would travel underground with him to find the Family Ball. In Chapter 9, he have also befriended Akimitsu Haruto, a kid who have destroyed the electrometer after a failure to the school gas. He and Akimitsu became friends quickly, even after they have formed a “Duo Move” against Shinju and the Marukas. In Chapter 11, he befriended three mean 9th graders, Pain, Death, and Blood, who destroyed his lunch, making him accept the challenge of defeating him, but he ended up being defeated himself. In Chapter 12, he met Makoto Minoru, a transfer student from Orbon, who also plays electric guitar, which is implied that he might have a crush on him as well once he asked for his phone number. In Chapter 14, he have been framed to fail biology class, in which case because of Shinju Kumiko, who blackmails him because of his entrance in school.
The Five Army and the Stones
In Chapter 15, he dreamed that he was in the cave again, and Marc have warned him that the Furious Five is on the loose with the Crystal Balls again, also lead by Hunter Grai. However, in order to take on Hunter Grai himself, Koji plans to train with Makoto, Akimitsu, Riku, Aoha, and Saburo for 14 days before the arrival of the Furious Five (Chapters 16-18). However, by Chapter 18, Marc have sent him to a different task, where he must collect all 3 stones to form a cryptocrystalline. Koji got the blue stone from the tall mountain (Chapters 19-20), and he obtained the yellow stone and the red stone from the snake after he cured the snake’s Crystal Brawler from her illness (Chapters 21-23). Koji requested them to go get to the Furious Five tower to rescue his friends.