An otome game by Rejet for PC.

Unchanging days, where nothing out of the ordinary happens. Is this really happiness?

There is another me, one that says there is another world that is much more fun.

With that in mind, one day a vivid black rabbit appeared in front of me.

"Hey, you. If you're that bored, why don't you come over here?"

"Well, but once you enter you can't return anymore."

"Kuku, but the very best excitement may await you there?"

What I replied without hesitation was...

Yes/No