A boy awakens beneath a tree in a world of magic, nobles, and monsters. Then memories of another life suddenly return, revealing a past he had completely forgotten. With a new identity and an unfamiliar world before him, he begins a journey that will change his life forever.

After being summoned to a world of magic and nobles, Iwakichi Fujimoto finds himself far from everything he once knew. With no clear way home and mysterious abilities he barely understands, he must survive his new life while discovering why he was summoned-and what kind of hero fate expects him to become.

One second he was a popular fifteen year old boy with a normal life. The next he was falling. When he opens his eyes someone is holding him and calling him Altair. He runs to the mirror and sees a stunning girl looking back. That girl is his new self

Mare lives a long, fulfilling life before dying peacefully and being reborn as a princess in another world. Retaining her past memories and intelligence, she can speak as a baby, causing her parents to fear she is a demon. As she grows, Mare discovers magic and begins exploring her strange new world.