Poorly described anime guessing game

Ahoge and go home! xD

He can't even sketch a shining trout on the river without being arrested.

Here's an easy one:
Poses

A group of pilots (mostly females, but there are also some male pilots) have to destroy comets that are going to fall into the earth

Just thought of a harder one:

People with superpowers beating the crap out of eachother in an exploded Tokyo

Guy's trying to get his shit together, fails every time, goes back in time, trying one more time.

Here is an easy one: Martians vs Terrans (fighting in mechs)

Guy with a phone saves the country.

25-hour Pizza Hut advert.

Thousands of spaceships and millions of soldiers

Conquer stereotyped girls for nothing :D

Hint: I love the wrong girl, i know.

Robot bear traps dude in rocket (easy?)

a dude with two chicks chasing him wherever he goes

Reality warping isn't fun when you don't know that you can do it.

Jealous girl freaks out when boyfriend is visited by family. Bodies hit the floor.

This is fun! So here's another one.

If you're a sinner, the sky will swallow you.

Guy dies while trying to save a girl, revived by some random shit which replaces his heart by the same girl.

A very easy one:
Neo Armstrong Cyclone Jet Armstrong Cannon

And a moderate one:
I love a girl that wants to kill me and my two other friends who both love me at different circumstances.

Another cult classic:
Sword-wielding cyborg kittens!

Okay whoever gets this, gets a spot on my whitelist.

A boob-lover arab guy fights against other non-boob-lover guys.

Bleach, but not Bleach.

Aliens invade the earth by working in a shop for otakus.

A train robbery gone horribly wrong

Here's another one (I don't think too hard).

Please don't dump cold water on me!

Ex mafia guy tries to atone his sins and forget a dead love