Disclaimer: Bleach and all its characters belong to Tite Kubo. Just borrowing characters for selfish, writing indulgence.
Pantera's Curiosity
The wind of the Human World was strong; it powerfully lashed through bright, blue locks of a tall male. Comfortably leaning all his weight on one leg, Grimmjow Jaegerjaquez peered down on the small town of Karakura.
"You are not supposed to be here. Your insolence is endless, Grimmjow."
The sudden presence of the fourth Espada made Grimmjow tense. He cursed himself under his breath for not noticing the other's spiritual pressure until the man had revealed himself. Grimmjow clenched his fists and slightly turned his head, the motion just enough to allow him to glance at the smaller Espada.
"What about you? I doubt Aizen has sent you for me," Grimmjow retorted and bared his sharp fangs.
Ulquiorra remained unresponsive and gazed down upon Karakura Town with his distinctive, blank look.
"Tsk," Grimmjow spat in contempt and averted his eyes.
"You are wrong," Ulquiorra suddenly spoke, making the Sixth Espada jerk his head up to look at him, "unlike trash like you, I take responsibility as an Espada. I came here to take you back."
Grimmjow sighed loudly in exasperation. "Shut up already, Ulquiorra. Who do you think you are, huh?" The Sixth Espada fully turned around to face the pale Fourth. "I'm not crossing any boundaries by just coming to the Human World."
"You are disobeying the orders of Lord Aizen," Ulquiorra simply replied.
"So are you by coming after me!" Grimmjow cried out, but he quickly lowered his voice and narrowed his eyes in annoyance, then he sighed and turned his head away. "Whatever!" he snarled and threw his arms up aggressively. "I'm going to have a look in this town and nothing's going to stop me; certainly not you!"
Ulquiorra remained silent. His stoic expression and relaxed posture gave nothing away. Grimmjow straightened his back in slight surprise at the other's lack of response and suspiciously examined his face, perhaps expecting to find a slight change in emotion that would give his state of mind away.
"Tell Aizen whatever the hell you want," Grimmjow growled. "I'm not going to sit around accompanying you. Adios, Ulquiorra."
Grimmjow was about to turn and leave when Ulquiorra's following question made him stop in his tracks:
"Are you going to stay in the Human World?"
With eyes full with disbelief, the Sixth Espada whirled around. "What nonsense are you saying? Who would want to stay in the Human World! I'm just going to have a look at them; observe their pettiness before we crush them."
"I see," Ulquiorra answered unexpectedly, wonderfully ignoring the other's unreasonable temper. "You are curious about them then."
Grimmjow kept silent and briefly glanced down on Karakura Town.
Was he?
"I will overlook your trespassing if you do not interfere with Lord Aizen's plans during your stay in the Human World."
Grimmjow jerked his head up in amazement, but he quickly recovered from his surprise and responded: "You idiot, who do you think you're talking to? Of course I won't be noticed by petty Soul Reapers or other imbeciles. Besides, I wasn't planning to stay long at all. If you hadn't butted in, I might have already finished my observing."
Ulquiorra ignored Grimmjow's remarks and stepped back. With just a flick of his hand, the air miraculously tore open towards another dimension. "You know what will happen if you interfere with Lord Aizen's plans," he said coldly. "Lord Aizen has no needs for those who fail to serve their purpose." With that, the pale Espada allowed himself to be engulfed by the darkness of Hueco Mundo.
Grimmjow watched the opening narrow down to a spleen until it finally disappeared like nothing had ever occurred. He glowered darkly to the spot where Ulquiorra had been just a moment ago. It was a rare occurrence for the Fourth Espada to allow him to break Aizen's commands. Whatever reasons the arrogant sob had, Grimmjow noticed that he could not care less.
A simple trip to the Human World couldn't possibly cross with Aizen's plans.
Author notes: Thanks for reading! This was a short introductory chapter to release my self-indulgent tendencies (too much of a Grimmjow fan, I guess). Hope to see you stick around! Though I wonder how many Grimmjow/Orihime fans there actually are out there. I don't get the feeling it's a popular pairing. Please leave a review if you liked it or have constructive criticism!