Kouki Nakagawa has long been in love with his childhood friend Ayumi Fujisaki, who suffered the tragic loss of her parents at a young age and now possesses a perilous ability to trigger natural disasters due to emotional instability. Unaware of Ayumi's power, Kouki is determined to confess his feelings to her, but his plans are thwarted by the arrival of Hikari Jindou. Hikari ominously warns Kouki that pursuing Ayumi could result in the end of the world. In a shocking twist, Hikari offers Kouki a provocative proposal: choosing her over Ayumi would grant him unlimited access to his deepest desires. With his heart torn in two, Kouki is faced with an impossible decision: Ayumi or Hikari?
