"The Days of Being 33, Single and Without a Boyfriend, in the Case of Konomi" "The Days of Being 33, Childless Couple, in the Case of Eri" "The Days of Being 33, Single Mother, in the Case of Yumi" Miro Suzuki Price: 1,400 yen (1,540 yen including tax) Publisher: KADOKAWA Sold as a set of three books. Only read once.