"I want more pleasurable sex," says Mariko before filming begins. She tells her director that she wants anal sex. At first, she hesitates but decides on the day of shooting after seeing his erect penis. This is her first time having sex since becoming pregnant last time, and she reacts differently than ever before, moaning and writhing in pleasure during their intense encounter.

「もっともっと気持ち良いセックスがしたいんです」撮影の事前にそう話すまりこさんに、監督から中出しセックスを提案。その場では踏ん切りがつかず、当日まで悩んでいたまりこさんだったが、生チンポを前にすると欲求が加速し生挿入を受け入れる。最後の妊娠以来の生セックスにこれまでにない反応で喘ぎ悶える。