Mushikaburi-hime

The crown prince Christopher's fiancée (albeit only in name), Elianna, is a noble lady that spends all her time reading books. On one fateful day, Elianna finds out that the prince was apparently being affectionate with a noble lady. Finally, she thought, a girl who actually loves the prince has appeared! With what she thought she had learned in mind, Elianna began to prepare for the inevitable cancellation of her engagement...