There were many light anime in the harem that could be referred to as the following popular works: 1. A Certain Scientific Railgun: A romantic story between a high school student and a mysterious girl with love and funny elements. 2. Love Asteroid: The story of the love between a young girl and an alien is heartwarming, touching, and has some sci-fi elements. 3."Kagamine Rin no Naka": The story of a group of primary school students playing music in a recording studio. Music and friendship are the main elements, but there are also some elements of love. 4. A Certain Magical Index: A story between a scientific investigator and a superhuman with some love and humor elements. 5."Swaying Lily"(Swaying Lily): A story about a young girl's daily life. It's a funny and warm story with elements of love and harem. The above are some of the harem's light anime that I hope can help.