The characters that can be seen multiple times, or seen in unique encounters such as mini- boss fights.
Corru;tion needs to have a bigger dick than Rubi. PC needs 85 or higher Corruption. Rubi needs to use masculine pronouns. Rubi needs to have a bust of C-cup or less. Rubi can't be a bimbo. Rubi's Outfits  Rubi has a number of outfits the PC can give to him. These include Bimbo Mini-dress; Dashing Corruption Of Champions Rubi With Tight Leather Pants; Green Adventurer's Clothing: Waitress uniform.