With the help of his companions, Cain confronts Aaron and the horde of monsters attacking the town of Gracia.
Cain finally gets to participate in a magic class, this time to learn summon magic... and he ends up summoning the Prince of Darkness. Meanwhile, signs of a monster onslaught have been observed in the Forest of Monsters.
Cain must subjugate some bandits in order to advance to rank A in the guild. His handling of the quest makes his senior adventurers worry that he doesn't fit in at the academy, so they come up with a plan to help.
It's the day of the Royal Academy entrance exams. Cain whizzes through the written exam, then heads outside for the magic and swordsmanship exams, but they don't go quite as smoothly...
Cain finally reaches his twelfth birthday, the day he can register as an adventurer. He heads straight to the guild to sign up, but some older adventurers pick a fight with him, and he's saved by a red-haired man who looks very familiar...
Cain impresses Daim, vice captain of the Chivalric Order, with the monsters he hunted alone. Daim then asks Cain to train with the rest of the Order. As Cain anxiously faces thirty knights alone, a lovely elf woman leaps to his rescue...
Cain has been named a baron and given a mansion—an old, dilapidated one. But with his magic, he's able to fix it up like new in no time, and he immediately starts preparing to host a debut party to introduce his mansion to noble society.
Cain visits the church, where the gods tell him there's no entertainment in this world and ask him to invent some. Then Cain runs into Parma, an old friend who's training at her uncle's shop. So Cain asks Parma's uncle to help him create a certain item...
Cain and his family leave for the capital. Along the way, they encounter two noble maidens beset by a horde of monsters.
After dying in the act of stopping a crime in modern Japan, our hero is reincarnated as Cain von Silford, third son of a noble family in a world of swords and sorcery. In his new life, all children receive a blessing from the gods...but Cain is unexpectedly blessed with an absolutely enormous, over-the-top cornucopia of magical powers. If his dream of traveling the world as a free spirit is to come true, he can't reveal too much of his potential to the wrong people. A light-hearted, escapist adventure in another world begins!