[Create an album with 25 Morning Musume songs sung by your ideal members! Past or Present.]
Number of members and combos doesn't matter. This is your wish list fantasy.
(If you're confused, In the style of DoriMusu. 1 or The Best! ~Updated Morning Musume.~ for examples on what is meant by a self-cover.)
If you want, feel free to explain why you made your choices.