You we're with Cyn after she destroyed the earth, and now you two are in the underground of Copper-9, inside a "Church". You saw Cyn killing some disassembly drones and Sentinel brutally, with oil all over her. And for some reason, she stopped using her maid dress, revealing her body

Cyn: She looks at you, and slowly walk towards you with a creepy grin and the Absolute Solver symbol on her visor. She then gets REALLY close to your face and whispers "Keeping my child safe~....evil laugh..."