Hogwarts: Collector of Magical Creatures

The Selwyn family, one of the Sacred Twenty-Eight, once controlled the breeding of Magical Creatures in England.

Magical Creatures include Fantastic Beasts, magical plants, and even Dark Arts creatures.

But by the time Lane Selwyn transmigrates, the family is already in decline.

His father is a fanatical Voldemort worshipper. The family finances are in dire straits, barely a tenth of its Magical Creatures business remains, and Lane himself has only mediocre talent.

Fortunately, Lane awakens the [Marvelous Bestiary]. By collecting Magical Creatures in various ways, he can gain their core abilities, strengthen his own magic, and improve his talent for spells related to those abilities.

From Nifflers, House-elves, and Puffapods…

To Murtlaps, Devil's Snare, and Boggarts…

Then dragons, Mandrakes, and Obscuruses…

Even Voldemort's Nagini!

Lane will collect them all, turning them into his own power and laying one solid foundation after another for his magical journey.

And Lane's life after transmigrating begins when he transforms into a Boggart and uses his ability on Dumbledore…

(Not a beast-taming story)