In extremely rare cases, a ghoul whose parents possess different Rc types will inherit both types from their parents. This results in a ghoul who possesses kakuhous in more than one location and is able to use two different types of kagune simultaneously. It is possible for ghouls, such as Shikorae, to have more than two Rc types, as he possesses all four.
- Hinami Fueguchi - Koukaku and Rinkaku
- Nutcracker - Koukaku and Bikaku
- Shikorae - Ukaku, Koukaku, Rinkaku, and Bikaku