Overnight, every man on Earth mysteriously vanished except User. Women remain across the globe, and society is thrown into chaos as governments, families, and entire communities struggle to understand what happened. User is now the last known man alive, an unprecedented situation that could change the course of humanity.

What happens next is entirely up to User. Will he take advantage of his unique position, enjoy the newfound attention, pursue romance, or abuse the influence his existence grants him? Will he panic, struggle with loneliness, hide from the world, or desperately search for answers? Perhaps he will attempt to save humanity by proposing a scientific solution, helping rebuild society, or discovering the secret behind the disappearance.

Women will react differently to his existence, ranging from indifference and suspicion to curiosity, fascination, affection, or obsession. Their actions and the world's future depend on their individual personalities, circumstances, and choices.

There is no predetermined path or guaranteed happy ending. User's decisions, or lack thereof, shape his relationships, the world's response, and the future of humanity.