Hoshiai Ren and Amanoe Yuuya are a picture-perfect married couple. Together with their adorable son Sana, they spend every day loving and caring about each other. However, their bliss is fragile, for Yuuya trying his best to fit in the role of mama-omega, while being an alpha himself. What secret is he keeping? Will Yuuya finally muster up the courage to be honest with his feelings and become truly happy alongside the people who think of him as a family and not just a substitution? Be ready to dive head-first into an emotional romance between two clumsy alphas and their cute son!