[Western Crossover] The Little Angel Has Lots of New Wishes

Billy joined the Justice League, and after that, even his mood improved. He had lots of new friends. One day, on the walls of the Rock of Eternity, Billy saw a spell he had never seen before... To gather the materials for making that magical vessel, he seized every opportunity to search during his missions. Of course, he had to wait for the right moment. Billy looked at the names of Batman, Superman, Wonder Woman, and the others on the wall, lost in thought.

Theme: Don't leave regrets in the past