[Nobotchi Seisakusho (Nagumo Ryuuichi)] Oyama Mahiro no Mesuochi Haramase Shussan Jikken! (Onii-chan wa Oshimai!)

[Nobotchi Seisakusho (Nagumo Ryuuichi)] Oyama Mahiro no Mesuochi Haramase Shussan Jikken! (Onii-chan wa Oshimai!)