Shirou Emiya, who accidentally fell into a fantasy world, still takes "protection" as his creed, uses projection magic to resolve crises, and warms everyone he meets with his gentleness and resilience. The cold knight was moved by his persistence, the mysterious mage was obsessed with her purity, and the aloof lord could not resist her sincerity. When everyone's love surges in, can this righteous partner who is accustomed to self-sacrifice learn to accept this exclusive warmth and cherishment?