Haru's cafe "WHITE FANG" begins flourishing immediately after it opens. Even Haru and Ren's recently awkward relationship is getting back to normal. However, Aki is in a terrible mood.

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 bubbles with excitement. What will happen to the brothers' quiet life?!