A cheerful group of six childhood friends, who called themselves "Super Peacemakers," fell apart after the tragic death of a girl named Meiko Homma. Jinta Yadomi, the acknowledged leader of the group, began blaming himself for his friend"s death and withdrew from everyone, becoming a classic hikikomori. The other guys took different paths – some entered a prestigious high school, others try to live ordinary lives, and some even set out to travel. As is customary, some rush toward success, others get stuck in a swamp, and the rest sink to the bottom. Everything would have gone on like that, but… Meiko Homma, under the nickname Mamma, appeared again! Who is Mamma – a spirit, a phantom, a hallucination? Why does no one except Jinta see or hear her? That doesn"t matter! What matters is that Mamma returned to her friends to fulfill an old wish. What wish – she doesn"t remember, but one thing is certain: for this, the "Peacemakers" must gather together again. So the hero had to break out of his seclusion, tear himself apart, and endure mockery and humiliation. The boy"s suffering was not in vain – soon it became clear that, although none of the others see or hear Mamma, she has lived in their hearts and souls all these years. But if by the authors" will a flower is the symbol of the heroine"s desire, then how exactly was that flower called?