"As much as you want on behalf of that girl."

Minako walks into their bedroom just as Reina is falling asleep. Minako and Akio, still reeling from their earlier exuberance, suck on each other's genitals, making obscene noises, their senses so sharpened that the slightest stimulation is enough to send their hearts racing.

Their last day together. The last day of their lives, they intertwine their bodies with each other as if to confirm what they have done so far. A few months later... When Rena finds out she's pregnant with her second child. Akio hadn't been allowed to have sex again. Akio was not allowed to have sex with her again. "Please use my body in place of hers, as much as you want." At some point, motherhood turns into sex with a bitch...