[ENGLISH-SUBTITLE] ADN-502 Mako Oda's shameful waist use that her husband doesn't know about

After 5 years of marriage, is it a rut or a period of boredom? Kazuya and Eri's problem is Kazuya's ED. Worried, Kazuya consults Kamiya, his junior colleague from university who is a medical trainer. ``When a husband gets ED, it's usually because of his wife,'' Eri pointed out...