Mia’s lessons in love continue as Rui attempts to learn what it means to have a girlfriend. But there’s one girl who thinks he’s perfect just as he is. Unfortunately, it’s his younger sister. While Mia tries to make her childhood friend’s heart race, the duo are constantly surrounded by a gaggle of weirdos. Whether it’s Saikawa, a tall scary guy who claims to be able to tell who’s dating who, or Rurigawa, the only girl who can resist the prince’s charms, the path from friends to lovers is paved with obstacles!