Mizuki, an office lady, wakes up in an unfamiliar forest, in the form of a little girl somehow. She seems to have been reincarnated in a different world, and Mizuki is at a loss, but for some reason, she gets more and more strong allies—or rather, more followers—such as the legendary monster Fenrir, a talented A-rank adventurer, and the others. "I just want to live a leisurely life, but why am I surrounded by overprotective adults!?"