Will It Be the World or Her?

Childhood friends Kouki Nakagawa and Ayumi Fujisaki can barely exchange a few words without falling into yet another argument. Still, beneath all the squabbling lies an undeniable truth: Kouki is utterly, hopelessly in love with her. Gathering every ounce of courage, he resolves to finally confess his feelings—only for that moment to be snatched away from him in the most impossible way. Just as he begins to speak, his awkward yet well-meaning classmate Jindou-san abruptly announces that she is Kouki's girlfriend. Then comes her chilling warning: he must never reveal his true feelings to Ayumi. If he does, the entire world will be reduced to apocalyptic ruin. Now caught between the girl he has cherished for years and the survival of humanity itself, Kouki faces an unbearable dilemma. Is a lifetime of silent longing a fair price to pay for keeping the world intact—or will his heart prove stronger than the cataclysm that awaits his confession?