Serie includes 236 albums .
Nijo
Nyota Yugi-Chan! sample
O chinpo! Keisatsu 24-ji
O tsukiai hajimemashita
Omae o zutto mamoritai
Ore ga omae no unmeida!
Ore no Aibou ga Ecchi na Onii-san (Shin) nanda ga
Ore no aibō ga etchina onīsan nandaga
Ore to aitsu no S. M. T charenji!
Ore-tachi Futari no Naisho-goto!
Oshiete Nii-san!
Oshiete nīsan!
