Developer BIOMine Yoshizaki is a manga artist and illustrator who got his start doing Capcom and other video game doujinshi. After several minor works including Detana!! Twinbee and Arcade Gamer Fubuki, he found success in 1999 with Keroro Gunso (Sgt. Frog). In addition to his game-to-comic adaptions, he has also done illustration and character design work for games, notably for Psikyo's Hot Gimmick mahjong series, and more recently for Soulcalibur IV and Otomedius.