"Shinseki no Ko to wo Tomaridakakara" () roughly translates to "The New Star's Child and the Stardust" or "The Child of the New Star and the Stardust".
It was Haru. His cousin, though the word felt too distant for how they had grown up—like siblings who shared every secret until the day he vanished. "Shinseki no Ko to wo Tomaridakakara" () roughly