Endless sky and infinite space, the cosmos isn’t some paradise waiting to be found, it is full of darkness and danger, death and terror of the great unknown. However, for that glittering swath of blue, we have no fear! For the longevity of men, we have no regrets! Nothing shall stand in our way because it is finally our time, our age! The age of cosmos exploration!

Having lost something important, the immortal witch could not stop her tears, and accidentally provoked the Prince of Hell when she tried various ways to stop her own tears! Hence, a daily life of pandemonium ensues!

Based on the one-shot manga .

Second season of .