From Batoto Scans :

title “Now then, it’s time for some fun.”

This is a world full of mystical powers.

Princess Iris is in love with Zeno, the Great Wizard who became a rabbit in the aftermath of a battle against the Demon King. One day, in light of an incoming marriage proposal, Iris decides to confess to Zeno. Skeptical at first, but upon seeing how sincere she is, he tells her to come to his room the following night.

However, when Iris goes to Zeno’s room the next evening, she is greeted by-

We present to you a beautiful love fantasy by Yumekiyo!