Alternative Titles
ツバメしんどろ〜む ; 心跳症候群 ; Tubame Syndrome ; สึบาเมะ ซินดรอม (Thai)
Synopsis Tsubame Syndrome
The story revolves around Taiga who doesn't have memories from more than two years ago after his parents died in an accident. He lives with his sister, Tsubame, who he finds out is from outer space with the job of protecting him as he posses the Origin Heart.