Another news article about her living with a 58-year-old man: https://wotopi.jp/archives/97592 It's actually an interview with a writer called Harada Arisa. It's quite a long article which is not Google Translate-friendly but Akiko seems to go into some detail about the relationship. It would appear that her bedroom is on the first floor of the building and his is on the third floor, and in the morning they meet on the second floor. When he retires in two years' time they plan to live in a villa in Karuizawa (a mountain resort town near Nagano).