She didn’t really have a name so I named her Cleo, she was featured in an episode of a vore series on YouTube by Aoihi. Lily, the main villain, awoken Cleo and told her that Len and Rin were trying to hurt her, so Cleo is protecting Lily. Lily is using her magic to make Cleo giant sized to eat and kill the twins. She already ate Len and Lily is using magic to summon enemies in Cleo’s stomach to kill Len faster. Rin soon gets eaten too so she can help Cleo since Len is shooting and upsetting her.