Stuck in the past in his eleven-year-old body, Chiaki has accomplished one goal, at least—force himself into Kuon’s life until the older man is fed up with him. But Chiaki’s brother, Kaname, has gotten wind of where Chiaki’s been sneaking off, and he’s not about to lose his precious little sibling to a stranger! Despite having to wrangle a grumpy future boyfriend and an overprotective brother, Chiaki believes his plan’s going smoothly. But all that changes when he spots Kuon with an old flame from before they had first met…