Ogres want the seed to produce a strong warrior.
Washboard Elf wants the seed to give the Elves a fighter that isn't a stick figure.
Orc wants the seed to produce an army to overthrow and eradicate the other Orcs.
Goblin is wholesome.
Dwarf is wholesome, but also wants a doomsday weapon that conveniently runs on seed.
This is how you make a harem that's interesting.