Hogwarts Summoning Manual

Introduction: In order to save a little girl who slipped and fell from the platform, Bai Lin, who was traveling alone, was hit by a green train and lost consciousness. When he woke up, he traveled to the wizarding world in 1993, and obtained the magical animal summoning guide: collect magical animals, obtain powerful magic power and summoned beasts.And his identity is a researcher of magical creatures, he was sent to Hogwarts to assist in teaching, and he was also an undercover agent arranged by the Ministry of Magic.