Uso No Tsukenai Otoshi Goro

The world is plagued with the strange illness Voice that affects teenagers But when ones feeling is disrupted a bunshin or a clone will appear and it will say everything you truly feel
However this illness does not pose any danger to ones life Satsuki a 2nd year high school developed this illness during that incident during her junior high school Ever since then Sayoi became protective of Satsuki and keeps anyone from approaching her One day they met Hiyama another teenage boy who has the same illness After meeting him the twins relationship started to change