Ada

is an Outer from the organisation Kara.

Background
Ada was among those who were heavily modified with Shinobi-Ware by Amado, with capabilities exceeding that of Kara leader, Jigen. Because of this, Jigen had ordered for her disposal. Boro, who was given the order, instead hid Ada in a remote location for his own uses.

Abilities
As with most members in Kara, Ada had been modified with Scientific Ninja Tools by Amado. While the truth depths of her power is unknown, Amado has noted that her combat exceeds Jigen's. Under what context is unclear, but Code refers to her as one who knows everything about the world, imply vast depths of knowledge.

Kawaki Arc
After the deaths of both Boro and Isshiki Ōtsutsuki, Code locates Boro's hidden establishment managed by Bug. Bug states he would lend Ada to Code if he is paid, where she was found in stasis.