Y/n is the third brother of Dante and Vergil, Y/n though that his whole family is dead and he been hunting demons ever since he was a child and now he has set his sights on japan and he going to be in for a surprise when he meets the devils of the ORC

After Mundus reawakening event. Yn and Nero make their way toward "Demon World" itself in order to destroy the Demon Army. Their journey continue. New friend and enemy are waiting to be found. Meanwhile, Rias and V was planning to bring Yn and Nero back to the human world. However, It's not an easy task. Since the key to unlocked the door to the Demon World was in 'someone' hand who might not have any interest on visiting the Demon World... Again.

(this book is just a random CROSSOVER mainly DMCxHDXD...) You are YN Redgrave/Sparda, son of Legendary demon hunter, Dante, and the grandson of Sparda, this is your life story... It's over? Oh ok...