tsubasa wo hirogete flight diary

i need help with Kono Oozora ni, Tsubasa wo Hirogete FLIGHT DIARY since the text is gibberish. for example the first text for the Himegi Hotaru route the first text that pop up is shown as"‚³‚´‚Ȃ݂ɍʂç‚ꂽŒÎ–ʂ́AÂ‚­‚«‚ç‚«‚ç‹P‚¢‚Ä‚¢‚éB" i need to know how i can fix it since i am using...