Synopsis
Saeki Koushirou makes a living as a wedding coordinator, yet his personal romantic life is a mess. Coming from a broken home—his parents divorced and he lives with his father—he finds it hard to give himself fully to love. He has a mother and a sister, but they have been out of contact for many years. After his girlfriend breaks up with him, a random meeting with a female high school student unsettles Koushirou's composure and stirs unfamiliar emotions within him. However, he soon discovers that this girl is actually his younger sister, who is now moving in with him and his father. And yet, the emotions growing inside Koushirou refuse to go away.
