Nanase Ayane is a young single mother and an omega. Despite her difficult circumstances, she enjoys a happy peaceful life with her daughter Rin. However, the halcyon days come to an end when she once again...

Aya has a peaceful life with her faithful husband, Kazuma. She is proud to have a husband who takes care of her and she believes that she is the "happiest wife in the world". However, one day, she noticed a...