Lily and Feri join Aria's party. Aria is rewarded with a promotion to A-Rank Adventurer! Meanwhile, Tama unlocks the ability to evolve into his third behemoth form.

A knight dies and is reincarnated into a baby Behemoth, an S-rank monster that looks just like a cat! A novice D-rank adventurer, Aria, adopts him as her kitty cat!

Aria and Tama visit the armor shop of their familiar blacksmith, Vulcan, to have Tama's armor tailored.

Disappearances plague the neighboring town of Lenard and the demon, Beryl, is behind it all. Aria accepts a quest to save the people in trouble.

Stella continues making passes at Tama with her telepathic skills. Meanwhile, Tama feels uneasy as he watches her fight, driven by her old earth dragon instincts.

Aria and friends desperately search for Lily and Feri. According to Vulcan, the Earl of Gladstone is rumored to be kidnapping young, beautiful women.

By invitation of the emperor, Aria and company travel to the imperial city of Klareal. There they meet legendary hero Prince Julius and the Holy Demoness Belzebuth.

Tama takes on the earth dragon, his fated enemy, in order to save Aria from the brink of death. Tama turns into a real behemoth!

The group is caught up in a new forest labyrinth. Tama and Aria are excited to explore an untouched earth said to be full of rare materials and rarer treasure chest.