The heroine crosses over into the heroine of a harem novel.
She originally wanted to pick someone she liked from the harem candidate list and fall in love with her.
But she found that she didn't have the aura of being loved by everyone like the original heroine, and all her dates had gone away.
All she had left was a pig.
The eldest princess who turns into a pig
1v1, it's probably a sand-glyph article with no logic.
(The eldest princess and the second princess are not related by blood)
Concept: Love has no reason