Onikko Yomeiri Ongaeshi

A young man named Kaito saves a demon girl named Lilith from a dangerous situation. As a gesture of gratitude, she decides to become his bride and repay his kindness. Despite her demonic nature, Lilith is innocent and eager to please, while Kaito is initially hesitant but gradually warms up to her presence. Their unusual relationship begins with Lilith moving into Kaito's home, bringing chaos and passion into his ordinary life.

However, their newfound domestic bliss is threatened by the fact that Lilith's demonic powers and desires often lead to unexpected and risqué situations. Kaito must navigate the challenges of living with a supernatural bride while dealing with the consequences of her overwhelming affection. As they grow closer, the line between gratitude and genuine love becomes blurred, forcing both to confront their true feelings.