Just found this CYOA of Kenichi. Have fun with it.
A CYOA is kinda a Character build for said Fictional Universe.
Here is the link: https://edalonjumpchain.neocities.org/Kenichi-Jump/
If you are interested in what choices I made here, it is:
Very Easy, Koryo High School, Prodigy, Choose Age(x6), Male, Katsujinken, Sei Ki, Master’s Body, Martial Art(x2), Unarmed Martial Artist, Sei Dou Goitsu, Ki, Hatsudou, Kaihou, Shouka, Life-Saving Fist, Heart Reading, Smiling Steel to Angry Iron, Explosive Ki, Middle Path, Silent Ki, Martial Arts Textbook, Masochist, What Doesn’t Kill You, Lessons Carved Into Your Body, Monstrous Talent, Mixed Martial Artist, Bulu, Trampling on Tradition, Kiketsu Control, Invincible Superman, Even in Death, Pink Muscle, History’s Coolest Uniform, Training Ground, No Cheating, Stay