Youko

Youko is a mysterious girl who has emerged from an underground shelter to traverse the ruins of a post-collapse Japan. Preferring the self-referential pronoun 'boku,' she journeys alongside her companion Airi aboard a custom electric Yamaha Serow 225. Cheerful and endlessly curious about the world around her, she follows the riding trail left behind by her 'sister,' visiting the remnants of once-known landmarks across a deserted, ruined landscape—demonstrating remarkable resilience and vitality throughout her end-of-world travels.