Mushoku Tensei: Reincarnated as a Beast Race - Chapter 142 - Hunting a Smile

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power

In my last life, it was difficult to have a child. In this life, I was given three radish heads as soon as I passed it, and there was an extra head. I thought my husband was a rough guy, but I didn’t expect a tough guy to have tenderness.

- Description from novelbuddy

[You have just awakened your first dragon: SSS-Rank Fire Dragon.]Drahon was born with dragon-like horns, and because of that, his parents abandoned him at an orphanage. Mocked, bullied, and branded a freak, he never knew where he truly belonged.Until one day, while serving punishment, he stumbled upon a mysterious egg...A dragon egg that opened a portal and led him into The Dragon Game.[You have summoned an SSS-Rank Demon wrymling.][You have evolved your SSS-Rank Primordial Frost Dragon into a Multi Fire-Frost Dragon.][Upgrading Fire-Frost Dragon Roar ×10...]Bond with dragons and summon them in battle? Of course. All Ranked 'SSS'Draconic skills? Master them.Monster bosses? Shatter them.Half-dragon, half-monster abominations? Burn them.Mandatory roleplaying? Absolutely. Rule kingdoms, command medieval armies, and go to war.Enemies? They’re just EXP.And just after Level One, he uncovers the shocking truth behind the game’s existence...And discovers the reason for his horns: he’s half dragon, and that grants him the ability to transform into a half dragon, half human form.[You have just slain a cerberus-class half-dragon monster.][Absorbing essence...]And now?He’ll be more than the horned freak they abandoned —He’ll become Dragon Lord.[A/N: It gets much better after level one]