It does feel like home. Maybe that's why Mona would never do it before. As for the idea of Akechi carrying him in a bag, the real Akechi, never mind Frog....

"He wasn't so bad," he says, in a soft, wistful undertone as they head out of the door. "I couldn't forgive him for what he did. I wouldn't. But it's like Lady Ann said. He was a victim we couldn't save."