Strange dreams

Basically it is a story about a normal college girl who is lately having some strange dreams about another world.

She finds a novel in her aunt's room which portrays the world similar to the one in her dreams.

One day when she decided to tell about it to her best friend, a strange phenomenon happens and she and her friend gets transmigrated into that book.

In that book, she meets some mysterious people and finally knows about the secret behind her strange dreams and her connection to that world, also about that mysterious person, The Villain .