Shurara has a request for Mekeke. I guess you could call it a crackfic if you really wanted to? It's not a lemon, but it's rated for some sexual themes and mentions because they exist.
Kururu feels his abilities aren't being put to their best use. When Giroro comes by with a request from Keroro, he makes his anger known.
This is what Garuru does on the side during his free time.