Dimension: Starting with the Contract of Bella and Orpheus

My name is Ling Heng. At the start, I transmigrated and summoned a charging type Honkai Beast.Looking at that small creature, my first thought was.It, can evolve!After relentless efforts, from the initial charging type Honkai Beast, it has evolved into the pure white dragon Bellernas.From the moment I summoned it, I taught it how to respect and love its master.Until one day...It suddenly took human form...