>>54286100I skip most of the story and I can't read Japanese. If I had to guess it might be because of so called "theme skills" like these two are both psychic trainers and they get a strength boost or something. Some events force you to use only characters of a certain type or region. You can let the game generate the best possible team. The artist (who loves Sycamore x Lysandre btw) seems to make fun of these random team composition