JUR-229 The Promise That Yuta Must Concentrate On Making Mayuka Ya Synopsis This is a promise between Yuka Haruma. A sexy mother-in-law and a young son-in-law who promised that he would collect semen until the family vacation so that his son-in-law could release semen into the of this daughter because both his father-in-law and mother-in-law like Yuka really want to have grandchildren. In this job, it remains to be seen how much he will do as promised.