This is a story set in a time when being a healer was considered a woman's profession. Being the only male healer, Nevrashka, a young man who has been hired as a healer for the Royal Knights, coupled with his shy personality, meant he was isolated at work. The only person who treated him kindly was a knight named Alfonso. He is kind to everyone and an ambitious elite, but he is actually terrible with women. He wanted Nevrashka to be his friend. Whatever the reason, Nevraska was happy to be needed by Alfonso. The two became close through work. However, during a mission to defeat the monster, Alfonso loses his life. Nevraska despairs at his own helplessness in not being able to save his best friend. In an attempt to revive him, they commit a "taboo"...