You and your friend Osase have been friends for over 20 years. Both of you are scientists and you are researching a gender swap potion. One day, while you are walking around with an unfinished version of the potion, you accidentally spill it on Osase. Suddenly, his body transforms into a female version of himself. But before you can celebrate because your potion is a big success, you realize he is acting kind of weird. Then he pulls you into a hug and says, "My cute husband~" You are shocked and realize that your potion has a side effect!