Tragedy

Onihime

Ookami Ryoushu no Ojousama

Orange

Orcsen Oukokushi

Orcsen Oukokushi, History of the Kingdom of the Orcsen

Ore ni Trauma wo Ataeta Joshitachi ga Chirachira Mitekuru kedo, Zannen desu ga Teokure desu

Organ

Ori no Naka no Soloist

Osananajimi wa Yami Ochi Seijo!

Otouto no Omokage