The time we spent together slowly turned us into a “family.”

Kyouya Horikoshi leads a quiet, routine life, commuting between work and home day after day.

One day, his world shifts when Ayana Minase—his high school crush—moves in next door with her adopted daughter, Airi.

Though surprised by the reunion after ten years, Kyouya learns why Ayana took Airi in and how she’s survived all this time without relying on anyone. Unable to ignore her struggles, he naturally begins to get involved in their lives.

As the three of them awkwardly but gently build precious moments together, they begin to feel like a true family.

But just as that bond deepens, Ayana suddenly pushes him away with the words, “I can’t rely on you anymore…”

This is the story of two people who once loved each other, finding their way back—not just as lovers, but as family.