Kouhei Yanagi was 27+ in Rurouni Kenshin as 'Police Officer (voice), Sato (voice), Gambling Young Man (voice), Bodyguard (voice), Gunmen Squad Officer (voice), Disciple (voice), Hotel Employee (voice), Samurai From Ishikawa (voice), Traveller (voice), Bandit (voice), Senkaku's Subordinate (voice), Shingetsu Village Villager (voice), Enemy (voice)'.
Kouhei Yanagi was 25+ in The Genius Prince's Guide to Raising a Nation Out of Debt as 'Torace (voice), Natra soldier (voice), Official (voice), Subordinate (voice), Spy (voice), Lord (voice), Merchant (voice), Citizen (voice), Messenger (voice), Warlord (voice), Cavalry messenger (voice)'.
Kouhei Yanagi was 25+ in I've Been Killing Slimes for 300 Years and Maxed Out My Level as 'Swordfighter (voice), Asmodian Executive A (voice), Asmodian B (voice)'.
Kouhei Yanagi was 24+ in The Misfit of Demon King Academy as 'Male in White Uniform (voice), Male in Black Uniform (voice), Revest Team Boy (voice), (voice), Hero Soldier (voice), Soldier (voice), Demon (voice), Hero Academy Student (voice), Black Uniform (voice), Royal (voice), Draconid (voice)'.
