before we start

Hitsugaya y/n was a boy who lives in his grandmother house but he move to the city. it was summer vocation and he decided to visit his grandmother house but his grandma pass away 3 years ago. he is walking in the woods when he suddenly heard a crash, out of curiosity he went to the crash and he saw a tall girl and can't understand where she come from but the girl needs help to cover her identity so he asked his help

what will happen on his journey with the alien girl?

let's find out