Neighboring heaven

Office worker Tsuchiya Reno was spending an unfulfilling day at work.
When she returns home after working overtime as usual, she finds that the bathroom door is connected to a world she has never seen before!

There was a vast land, mysterious flora and fauna, kind and pure people ......, a scene that had never existed in Reno's world.
Luno becomes friends with a girl who is considered to be a princess there, and begins to live a life that moves back and forth between here and there...

A mysterious world and a mysterious girl appear next door.
This is a story that will cheer up your tired life.