Everyone's favorite darlings are back! This time around, the rowdy couple of Sentarou Katsura and Sanshirou Sakamoto experience a trial of fire when their mutual friend Youichirou Takasugi warns Sakamoto that Sentarou will eventually leave him someday.

Disturbed by this revelation, Sakamoto decides to tail Sentarou about town. But just as he is starting his investigation, he gets a visit from his dad, who commands him to settle down. In fact, he already has a bride chosen out for his son: none other than Takasugi's sister!

Amidst all the confusion, will Sentarou end up eating his promise of doing everything to make Sakamoto happy? And what about all the other couples? The couplings of Takasugi x Ogata, Shikibu x Tsutsumi, Todoroki x Takeru and Kitasenju x Juujou all return in this volume, plus with babies in tow! It's going to be one riot of a book indeed!...