BongBong

A top level Agent from Lobotomy Corporation, sent by presumably Angela to kidnap Manager.

"BongBong"
Previously of few words back in the Corporation, often just repeating her name over and over. She was sent by (probably) Angela to help The Empire in exchange for Manager if he gets captured.

Episode 11
Hired by The Empire to help them out in dealing with the TCR invasion. For her assistance The Empire would let her take Manager if he is captured, which they happily agree to after Jerkcity Corp contributed to the attack on Edelgard.

Using a forged letter to impersonate Spigot. She successfully lured and ambushed Manager. Before she could kidnap him, Spigot turned up to save him. Despite throwing Spigot all over the arena, Spigot managed to win with a cunt punt outta nowhere. That'll hurt.

Episode 12
Was contributing to Edelgard being anchored to the world via the Dicksucker's energy. Q-Taro attempted to defeat her and failed to do so.

BongBong took the mask off to reveal herself. Stating that someone (obviously Angela) wants Manager back.

After Edelgard was defeated, she attempted to assassinate Dimitri by stabbing him in the back with a knife. By a miracle, Q-Taro ended up behind him and tanked the knife like a champ, chasing off BongBong.