Tsukumo Older Sister

Affiliation: The Round Table
Bug: Fly
Ability: Optimization - Defrag. Gives the user the ability to always make the right decision regardless of the situation.

A woman with a strong sense of justice. With the Fly's power giving her a natural disposition towards good decision making, she founded the Corporation subsidiary Round Table in an attempt to create a new organization with more humane approach to bug research and their users. She's a friend of Rikudou and like Nanahara, instructs her own members to hold a non-aggression pact with Corporation members.

Her developed true ability of Defrag is shaping the world according to the user's wishes by ignoring the laws of causality, with the price of such action being the user's own unavoidable and instantaneous death.