It's Not Easy to Be a Prince or Tutor

Are There Any Books on Training?

Want to watch something like "The Ugly Duckling!" Passerby! The book "The Big Boss Takes Her Home (When the Light Comes)". Is there any male protagonist who was attracted to the heroine when she was a child and then began to protect the heroine, guide the heroine, and support what she wants to do? The heroine is very smart, not stupid