Masaki Fujiyoshi is a couple and parents who live at home. She has fought for a long time and hard with a feeling of being a burden for her husband who is loved, hiromu, because her status as a secondary gender, which allows someone to give birth regardless of whether they are men or women – and the difficulties they face to achieve this domestic . When their son, Hikari, was born, the family moved to an area that was more suitable for raising children. Hikari is now approaching his second birthday, and he and his parents forged a meaningful bond with the people around them. This includes beta college students who live next to, Yuuki, to whom Hikari became somewhat bound; Hiromu’s friend from Work Matsuo; And the mysterious single father was seen roaming around the park. Apart from their new domestic happiness, their family ties with their past are stating. There are people they leave to pursue the creation of their happy families, and when they start back, Masaki and Hiromu are not sure they have good intentions. ただいま、おかえり