To the world you may be one person, but to one person you may be the world.
Yuuri and Phichit are guardian angels, sworn to protect the people of Earth.
Victor and Chris live their lives, unaware of the celestial beings watching over them.
But one day angels go missing. As Yuuri and Phichit set out to solve that mystery their own story of love and friendship begins to unravel - and they learn what it truly means to have a soulmate.