Maybe it's just a cultural thing, but usually, if there's a stupid sounding rule, it's usually explained WHY said rule exists to show why it's not stupid. I mean, fraternisation regs are usually in place to either keep the unit running smoothly or to stop high-ranks from pressuring low-ranks into sexual encounters.
If it turns out that foreign vaginal secretions nullify a magical girls powers, then Mai-Otome already did something similar to keep the lily gardens pure.
Base +6, venfare +10, Kotovsky +6, disposable.respect +6