Happy☆Lesson Advance
Hitotose Chitose is now living together with his 5 teachers as his mothers when a mysterious girl appears and becomes their neighbor which turns out that that person is Nagatsuki Kuron who wants Mu-chan to be her mother so another sibling rivalry ensues as to who would end up as Mu-chan's child.
(Source: ANN)
Studios:
Studio Hibari
Happy☆Lesson Advance
Happy Lesson: Advance
HAPPY☆LESSON ADVANCE
Happy☆Lesson Advance