Never watched

Psychological: Mirai Nikki
Kinda fucks with your head a bit. Expect to be sad and at the same time excited.

Comedy / Fighting: One Punch Man
Funny as fuck, expect to be a couple of hours in before you realize what time it is.

Lewd Stuff: Monster Mesume
Monster girls. Weirdest boner you'll have in a while.

School Girl Stuff: Yuru Yuri or K-On!
Girls, doing school and girl stuff. Basically a place to get a waifu.