Onii-chan wa Oshimai!: Koushiki Anthology Comic Characters

• Mahiro Oyama main
• Mihari Oyama main
• Kaede Hozuki supporting
• Miyo Murosaki supporting
• Momiji Hozuki supporting
• Asahi Ouka supporting
• Nayuta Tenkawa supporting
• Chitose Azuma supporting
• Mai Yasaka background
• Minato Senkawa background
• Mari Nishinomiya background
• Rin Minakata background
• Yuuta Sakurada background
• Miyako Nagase background