Happy☆Lesson: Advance
Watch Happy☆Lesson: Advance full episodes online English sub.Other tiles Synonyms: Happy Lesson: Advance Synopsis: 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.
More info: Myanimelist, Wikipedia