4-daime no Hanamuko
四代目の花婿
A high school girl named Touko Yatsurugi is part of the Yatsurugi group, which is in need of a new leader. Due to advances in technology and science, men in Japan are now capable of becoming pregnant. Touko sets out on a mission to find a husband who can bear a child, in hopes of securing a new heir for the group.