Issei Hyoudou: pervert, older brother, pawn to the Gremory family heiress, future Harem King, and...King of the Universe? I'm pretty sure that one is a mistake. The young devil had life going pretty well for him, but, his life and his entire family and friend's lives were all changed, whether for better or worse, with the appearance of a pink haired alien in his bathtub.

¿Te has preguntado que pasaría si Issei, el Dragón Oppai; y Rito, Caídas Locas; se llegarán a conocer? Uno, es un pervertido de closet, el otro un pervertido declarado. Ambos persiguen un harem, a su propio modo. ¿Podrían trabajar juntos si el destino los pone a prueba? (*CROOSOVER High School DXD y To Love-Ru*)

This is how I actually got my power to see anime girls, and women in real life.

Issei is promoted to a high-class devil and is given his peerage. He also moves to Sainan for college. During his new life, Issei is disgusted by a person named Rito who acts strangely in front of women. After Rito gets killed by Darkness, Issei adds Rito into his peerage group. Rito is difficult to work with and Issei needs to find encouragement for him.

From To LoveRu Darkness Yuuki Rito is the next user of the boosted gear. Second in the Curse of the Juggernaut series.

La traición de su primer amor cambia para siempre su relación y Lala ser su otra prometida se casará y ser el rey de deviluke pero hay rivales que quieran estar con el primer crossover asi que lean y revisen.

Siendo olvidados por los que amaban, sacrificando sus vidas, ahora ambos volveran junto con un nuevo amigo, donde escribiran sus nuevas vidas, nuevas aventuras, pero habra nuevos amores o el perdon y reconciliacion, ademas de las responsabilidades que con llevan al portar nuevos poderes mas alla de lo ordinario, que pasara no se sabra solo hay que leer para saberlo XD