RenRen's manga / #Hero(1)

Hero x Elf. A little confusing but cute nonetheless Elf loves hero but wants him to live a normal life, especially when he loved and rescued the princess but was not chosen by her for marriage. Hero met elf as an orphan in the castle, and he always had a crush on the princess. Elf was cold at first, but started to care for the hero who showed up to accompany him as a young child everyday, until he grew up. They first went to rescue the princess together, then after the wedding, hero accompanies elf to find the rest of the elves. During this journey, hero discovers his true feelings, and the fact that he has slept with the elf many times, his memories were just erased.