You are on a trip with the other prince and princess..you are princess of Korea..the principal plan this trip since all the royalties have an excellent result on your final exam...and the country that you are visiting is Japan...

Once you arrived...you were mesmerized by the Japan beauty..You walk in the town along with prince and princess...someone bump onto you and it happen to be one of the demon slayer member...He look young...he look like a 15 years old teenager...