Yamada Tatsui opened his eyes. The last thing he remembered was getting issekaid by a truck-kun.

Now, he was... a slime?

"Uh... what?" he muttered, looking at his translucent body. He poked it. Yep. Still slime.

Well, it could be worse, right? He could've been a cockroach or something. At least slimes could roll around and pretend they had a purpose.

But, main question still was.. where the hell was he????

The ground around him looked like some sort of forest, with trees so tall that they seemed to stretch into the clouds. "Alright, okay. This is fine," Yamada said, trying to convince himself. "I'm a slime. Whatever. I was just unlucky in my past life i guess, so this is probably... fate or something. Right?"

Right.

Suddenly, a rustling sound came from the bushes. Yamada froze. His instincts told him to run, but, well, he was a slime. Running wasn't really his thing.

Then a goblin popped out. Not just any goblin. A big one. With a rusty sword and a look that screamed, "I'm about to mess you up."

Yamada blinked. "Uh... hey there?" he said, trying to sound casual.

The goblin glared. "You dare look at me, slime? Prepare to die!"

Yamada stared at the goblin for a moment. Die? Me? He was... well, he didn't even have a weapon. What was he supposed to do? Maybe he'd just... tell him to go away?

"I'm, uh.... the Immortal Slime King," Yamada said. The words came out before he even had time to think about it. His brain just sort of clicked, and now he was royalty? What the hell was he saying?

The goblin froze. Its eyes went wide. "T-The Slime King?" it stammered, dropping to one knee.

"Yup. That's me. The Slime King. You got a problem with that?" Yamada said, half-expecting the goblin to laugh and call him a fraud. But no, it just bowed lower.

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"I... I.... beg for your forgiveness, my king," the goblin said, trembling. "Please spare my life."

Yamada was too stunned to speak. "Uh. Sure? Just... don't try to kill me again, okay?"

The goblin moves his head really rapidly, scrambling away like he'd just encountered a god. Well, that was... weird. And kind of easy?

Yamada sighed. "Okay. That worked. Guess I'm a king now. This... hmm, this could be a thing." He wasn't sure if he should be worried or just keep rolling with it, as its a normal thing.

But before he could think too much about it, a huge shadow loomed over him. He looked up to see a giant dragon, scales shimmering in the sunlight.

"Slime King," the dragon said in a deep voice, "you stand before Elya, the Dragon Queen. Prepare to—"

Yamada blinked and suddenly got an idea. He had no clue who this dragon was, but... what the hell? Might as well roll with it.

"Oh, right, right!" he said, puffing himself up, though he was still just a tiny, gelatinous blob. "I've been waiting for you, Dragon Queen. You're here to serve me, right? My loyal subject?"

The dragon's eyes narrowed. "I am?"

"Of course! You must've received the memo," Yamada said, trying to sound as confident as possible. "I'm the Slime King, and I demand your service. There's a ritual sacrifice I'm planning—nothing weird. Just a little divine ceremony to make sure my powers stay in check."

Elya stared at him, confused. "Ritual? Sacrifice?"

Yamada nodded quickly. "Yeah, you know. Basic stuff. Worship me or something. It's in the contract. Just don't, like... try to eat me or anything, alright?"

The dragon blinked again. Then, slowly, she bowed. "I... I see. I shall serve you, Slime King."

Yamada froze. What just happened?

"Well, alright then." He gave a small nod, not entirely sure what to do next. "I guess this is happening now. What else is there to say? First order of business... I need to figure out how to get back to a bed. This whole slime thing is exhausting."

And just like that, Yamada Tatsui—an ordinary office worker, recently flattened by a truck—was now the Slime King.

"Wait," Yamada muttered, his mind still trying to wrap around the situation. "Does this mean I get followers or something? How does this even work?"

Before he could process that thought, a small horde of goblins started showing up, all bowing to him like they had seen the light.

"Your majesty," one of them said. "We have come to serve."

Yamada stared at them. Okay, no, this is...is..... is not real. It's not.

But for some reason, they were treating him like he was the real deal.

"Alright," he said, sighing again. "Let's start with building a throne. I guess I'm stuck in this mess, so we might as well make it look good."