Stellarium by AOI Aki [Eng]

Plot:

Kanata, a scientist, drowns himself in work and alcohol after losing his former love. One day, during an experiment gone wrong, a mysterious boy suddenly appears. Disturbed by the boy’s inhuman origins, Kanata attempts to get rid of him—only to be stopped by a friend.

As Kanata reluctantly names the boy, their bond begins to grow, leading them on an unexpected journey. However, deep in his heart, Kanata is tormented by a painful truth—the boy, who came from nothing, bears an uncanny resemblance to the love he lost…