Chikyuu no Owari wa Koi no Hajimari

Mahiru Yanase has always lived in the shadow of her sister, Mayo, who is well-liked and admired. Mahiru believes that any good fortune she experiences is inevitably followed by something negative. On her first day of high school, she meets Aoi Satomi, a classmate who is both attractive and enigmatic. He quickly shows interest in her and ends the day by asking her out. As Mahiru begins to experience unexpected good luck, she fears the inevitable misfortune that she believes must follow.