The life of a pessimistic seventeen-year-old took a 180-degree turn after a tragedy occurred and led to him being mysteriously transferred to a new world. Miles Reyes, who has lived an ambitionless and solemn life, now walks a dangerous path filled with troubles ever since his transfer. And while he wanders on unknown lands, he meets a particular idiot who became his salvation. As the two develop feelings for each other and experience many "first," what unfolds is a journey that dives into the machinations of human emotion, and touches on the timeless struggle of every soul, which is the key to finding happiness.