After returning from his trip to get his school supplies, Harry never returns to the Dursleys. instead manages to return to Diagon Alley to learn more about his parents and the world he has just entered. Harry/Harem, no yaoi, slight crossover with other series, bashing different characters, clown cards, different types of magic, changing the age of age change of several character
Naruto after winning the battle against a dying Sasuke, who ends up sending him to another dimension in a last act of revenge, he ends up in the DC world. Naruto/Harem