Rezu Coupple Ninshin: Ani no Seishi wo Tsukatte Kodomo wo Tsukuru Rezu Coupple (2018)

Ai and Rena are a lesbian couple. Rena, longing for a child, has been secretly asking her own brother to provide sperm for Ai. To create a baby carrying both their genes, Rena injects her brother's semen deep into Ai's vagina. An unusual drama about a lesbian couple's pregnancy journey.