The e-mail Ren sent prompts Haruko to come to Japan all the way from Switzerland. Eagerly looking forward to seeing Haruko again, Ren innocently bubblles with excitement. But believing Haruko may notice how his relationship with Ren has changed, Haru is unable to show genuine excitement for Haruko's visit. When Haruko finally arrives at the Kaidou family home, Ren tries to tell her what he's thinking, but... A storm named Haruko has suddenly arrived at the Kaidou family home! What will happen to the brothers' quiet life?!
Even if you're not a Kaidou,
Du musst kein Kaidō sein,
solange du ernst und stur bist.
Aunque no seas un Kaidou,
Aunque no seas un Kaidou,
Kaidô ou pas,
Anche se non sei un Kaidou,
Mesmo que você não fosse "Kaidou",