亜樹 直 Agi Tadashi is a Japanese manga storywriter, novelist and screenwriter. His original name is Shin Kibayashi (樹林 伸 Kibayashi Shin). He was born in 1962 in Tokyo, and graduated from Tokyo Metropolitan Musashi Senior High School and Waseda University School of Economics & Political Science. The penname "Tadashi Agi" is shared with his sister. Under the name Yuma Ando, he received the 2003 Kodansha Manga Award for shōnen for writing Kunimitsu no Matsuri.
Still working their way through the Infinity Fortress. I hope that name doesn't signify the number of chapters in this story arc. More fighting. More powers. Ginji goes super saiyan. Wait. Wrong manga. Anyway, the storyline crawls along. The volumes are starting to seem very similar to each other with all the fighting. We'll see where this goes.