On the eve of his eighteenth birthday, Higashino Yuu, whose parents both died, was "invited" by his master to go down the mountain and make a living in the world.
She has not been down the mountain for eight years and it is difficult for her to survive...
How else to make a living?
Fortunately, good people always have good fortune...
Friends come one after another... All of them hide their secrets
Love... Maybe it's also included?