Family Border

Eichi's mother has remarried, and he now has three new brothers. Moving into a new home with his stepfather and his stepsiblings, Eichi tries to adjust to the unfamiliar dynamics of a blended family. Each brother has a distinct personality, and Eichi must navigate the challenges of sharing his space and his mother's attention with them.

However, one of his new brothers does not see him as a sibling at all. This brother's feelings toward Eichi are far from brotherly, creating an undercurrent of tension and confusion. As Eichi tries to understand this unexpected reaction, he finds himself caught between the desire to build a real family bond and the unsettling reality of one brother's true intentions. The fragile peace of their new household hangs in the balance as hidden emotions and unspoken desires threaten to surface.