Abandoned as a baby, Yukinari had to take care of himself until he was fortunate enough to be adopted by a loving family. This difficult experience may have fostered his empathy for helpless creatures, leading him to devote himself to their aid. One night, Yukinari and his friends witness a shooting star falling to earth and rush to its landing spot. There, they find a child cradled in the meteor's glow, surrounded by a circle of roses?!