Colorful Wish ~12ko no Maji★kyun!~

A world where magic commonly exists. Children who have a special ability enter boarding magic school. The ability usually appears only to girls, but it appears to Riku. He joins the school and somehow lives a peaceful life with female students. School festival is hold every winter and there is magic competition. It seems the winner is given a special present from the school principal. He and his classmates get together and practice hard to win the competition.