Orphaned teenager Chitose has his hands full. Though he's just moved back to his childhood home he's not alone--five of his high school teachers have given into maternal instinct and adopted him. Their eagerness to earn Chitose's love causes much chaos including many sexy tutoring sessions and even an exorcism or two. Firmly entrenched in the shonen style of anime HAPPY LESSON is a light romantic comedy with plenty of nonstop action and laughs. This collection presents the series in its entirety for a total of 14 television episodes and a three-part OVA MAMA MIA!