Sanae Izumi

和泉 さなえ

Minori's busty older sister. Sanae is always looking to join in an adventure with Mayuki and his friends. [Spoiler] It is later revealed that she is one of the two "dolls" that Seiran controls. When in her Aya or doll form she uses a pair of claws to fight. [/Spoiler] (Source: Wikipedia)