An ordinary girl who would be overwhelmed at any time in the crowd. But he has a unique outlook on life and wisdom. When such a time travels into a Mary Sue. The little sister of the demon king. The daughter of the former Demon King. A vampire with the blood of a prince. When a person who only had wisdom in his previous life is reborn as a person with a dangerous identity but a powerful and beautiful person. What sparks will come out of the collision with the lovely and noble platinum Malfoy?
Stay tuned. Platinum Mary Sue