This Dog Only Thinks About My Grandchild~ The Final Deeds of the Dog Life Demon King

Updated: April 5, 2026

Alternative

Kono Inutokitara Mago No Koto Shika Kangaeteinai~ / この犬ときたら孫のことしか考えていない～犬生魔王のやり遺し～ / Kono Inu to Kitara Mago no Koto shika Kangaeteinai ~Kensei Maou no Yarinokoshi~ / Honestly, This Dog Thinks Of Nothing But His Grandchild ~The Dog Life Demon King's Unfinished Business~ / InuMago; DogGrandchild
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Action - Adventure - Comedy - Drama - Fantasy - Magic - Reincarnation - Shoujo - Shounen
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Summary

The Demon King's reign, known as the "Demonic Invasion," lasted for centuries, and countless heroes were defeated by the Demon King without any means to overcome him! However, the Demon King was finally slain by the hero Therios, known as the Last Hope. The world achieved peace, and the hero Therios disappeared somewhere--. But the Demon King, who was said to be dead, is revived by a miracle! As a dog...!? This is the story of the last Demon King, now fluffy, protecting his granddaughter, who is targeted by the entire world, and earnestly wishing to live in peace--.