Mamahaha no Tsurego ga Moto Kano datta Episode 1 English Subbed Episode Title: Former couples don't want to call 'that kind of place ...!' Episode Description: Mizuto and Yui who have become "siblings" in law while being former lovers. The important thing for them is not to care for their remarried parents. And which one will be the "brother" or "sister"! The two people who do not want to be "below" the other party decide on the rule that "it is better to do something that is not like a brother-in-law" and devise a plan for each other ...!?