HappyHappyJoyJoy and God of War

We are currently having creativity exercises at the office, and well, so far, I've only participated in one activity. It's called Mini Saga writing. Only rule is, write a story using a minimum of 50 words, 200 words max. Here's what I have so far:

HappyHappyJoyJoy

She woke up and readied herself for work.
She went into the office with a smile on her face.
She worked.
She logged out on the office attendance sheet.
She hailed a cab.
She greeted the doorman and went straight to her flat.
She was happy, she could almost hear them say.
She laughed.

And pulled the trigger.

God of War

He put his katana back in its sheath. Surveying the remnants of the carnage around him, he wiped his brow and walked back to the battlemaster. He grinned, the last one had let out a scream as guts spilled on the grass. He has bounty to collect and what a bounty it was.

The battlemaster announced his victory and he smiled broadly. He was the god of war, he thought to himself, his chest puffing up visibly.

Someone tapped his shoulder and said, You extending or not?

Well, I'm not exactly sure when my writing started being this dark and twisted. Tell me if it's any good, ne