Who is the most suitable wife? Of course, it's Koharu! Who are you most worried about? It's Shirobako! So, do you choose Koharu or Shirobako? I choose Hatsune Miku. With a younger sister, how can I marry someone else! Luo Chen, a Chinese student living in a land of siscons, is an ordinary high school student and an SSS-class esper... Well, this might be a battle story (serious face).