Happy☆Lesson Advance

Hitotose Chitose finds himself in a unique living arrangement, sharing his home with five teachers who have taken on the maternal role in his life. As he navigates this unconventional family dynamic, the arrival of a new neighbor introduces unexpected complications. Nagatsuki Kuron, a mysterious girl, expresses her desire for Mu-chan, one of Chitose's guardians, to become her mother, igniting a playful rivalry among the household.

As the competition to win Mu-chan's affection intensifies, Chitose must manage the challenges of love and friendship while balancing the whims and personalities of his charmingly chaotic household. With humor and heart, the journey unfolds as they all learn what it truly means to be a family amidst the comedy and romance of everyday life.