Chuunibyou demo Koi ga Shitai!, Samurai Flamenco Recommendations
I recommended "Chu-2" for "SF" since both have characters who are poco locos and also have characters who are just going with the fore mentioned's flow. characters........also, since there is no "Kickass" anime, "Chu-2" for "SF" will have to suffice.
Ok, here's the thing, I wish I could have recommended "KicK Ass" since it is very close to this anime as a whole, then again, MAL is a anime/manga social site, so therefore "Kick Ass" is out of the question, so, I'm just gonna settle with Chu-2 for Samurai Flamenco. Since it involves, main characters who ought to see a shrink and another character who just going along with the crazy character.
Ok, ok, so it a bit off, but then again if you'll look it this way both anime involves a character who is a textbook definitions of being "NUTS" and there is a secondary main character who is pretty much normal except that he's the one who has to pick-up the crazy character's mess.