You say this tiny, little child is the one?! [CHILD MCs]

I thought I’d been reincarnated as a child from a dirt poor home... “I’m here to pick up Anastasia, the imperial grandchild, Her Highness!” ...It seems I’ve possessed the body of the princess who, in the ‘original novel’, craved power, only to meet a tragic end. To demonstrate that I was not interested in power, and to fulfil a dream of being a pâtissier that I could not achieve in my past life, I only baked sweets with the help of a contracted spirit. You’ll feel better if you eat something del

I was a witch over 300 years old, but I was betrayed and died by a man I believed in.
She thought she would be stuck in the spirit world, yet she was reincarnated as a princess of imperial family who killed each other.
Now that it's like this, I'm going to be the Empress. I also have to conquer the continent and take my revenge.
So she behaved very wickedly and very mean like a witch.
"You, come inside."
With overwhelming power, she bring the prince to her knees.
I thought everyone would be scar

A young pharmacologist and researcher in Japan died from overworking, and was reincarnated in a Medieval Parallel Europe.

He was reincarnated as a 10-year-old apprentice to a famous Royal Court pharmacist, had attained an inhuman skills of ability to see through disease, material creation, and material destruction.

In a society in which dubious medical practice are rampant, price gouging thru the monopoly of the pharmacist guild, and good medicine aren't available to the commoners.

He was rec

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this magical world, the country is protected by knights who pilot a kind of large humanoid weapon known as the Silhouette Knights. Dreaming of piloting these robots, Eru and his childhood friends, Archid Walter and Adeltrud Walter, study Magic and work toward their goal together.