
Quick answer — Yuuichirou Oguro worked on Zoku Sayonara, Zetsubou-Sensei (Series Composition), Kemonozume (Literary Arts), Hanamaru Kindergarten (Series Composition).
Yuuichirou Oguro worked on Zoku Sayonara, Zetsubou-Sensei (Series Composition), Kemonozume (Literary Arts), Hanamaru Kindergarten (Series Composition).