Egg
Two pools, both altered and not quite like a pool you’ve seen before are put together and flipped around – this is an egg. One pool is the egg white, the other pool is the egg yolk. They’re different, but similar.
らん
たまご
None
You remember Tamagotchi (たまご), right? Well, Tamagotchi is an egg, and the toy looks like an egg, so it’s pretty easy to remember that tamago means egg.