Tails or horns. Fate decides. Childhood friends Sota and Masa have always been together. But when they turn eighteen, all of their expectations shatter. Attention from a persistent bully escalates and childhood visions of a perfect future begin to unravel. Sota quickly realizes that the transition into adulthood is not as fun as he envisioned. Unexpected feelings emerge and hidden secrets come to light. Sota and Masa's lives have become more confusing than ever. Can they accept fate's design, embracing who they were meant to be? Or will reality tear them apart? This is a gay romance alternate reality series where everyone has either tails or horns.