Forced to pay off the debt, when the experimental subject traveled through time and space, he mistakenly transformed into a beautiful little nun! A little nun is a little nun, but the only condition for traveling back to modern times is to be kissed by the first man she met in ancient times! What's more, the first person I saw was the prince who was engaged to the princess! I shamelessly chased after someone for a kiss, but they just ignored me! Your Majesty, is it so difficult to kiss a poor nun...