Motto To Love-Ru Ep 3 - Gender Transformations

Episode 3C You are the Lovely Cinderella
Saruyama wants to visit Riko having fallen in love at first sight. Lala sets up a date by transforming Rito into a girl and having him meet up with Saruyama at a specified time and place. Saruyama and Riko go out on a date to places such as a love movie. By the end of the day when Saruyama was about to confess to Riko the effects wear off and Rito runs away before Saruyama hugs him.