岡井明日菜 (Okai Asuna), legal name 矢島明日菜 (Yajima Asuna), is a former member of the Hello! Project trainee group Hello Pro Egg. She is the younger sister of ℃-ute's Okai Chisato.
Known For: Acting
Birthday: 1996-05-14
Place of Birth: Tokorozawa, Saitama, Japan
Also Known As: Okai Asuna (岡井明日菜), Okai Asuna, Assuu, あっすー, Asunan, あすなん, Asunyaa, あすにゃあ