When her parents move to America for NASA work, 8th-grader Miyu is left in the care of her guardian, Mr. Saionji. But when Mr. Saionji departs for a year-long trip to India, leaving Miyu and his son Kanata behind, their lives take an extraordinary turn with the sudden arrival of an Alien baby and its babysitter, who crash-land in their house, bringing unexpected powers and abilities.

UFO Baby
Two young adults embark on a journey to care for an alien infant, facing numerous challenges while concealing their blossoming romance from the rest of the world.