What Do You Mean My Cute Disciples Are Yanderes?

(MC POV)

The ball opened its eyelid to stare in our direction, or more specifically, in Lian Li's direction. I definitely do not like how it's staring at her.

Without warning, tentacles sprouted out from its body and immediately made a lunge towards her.

Oh no you don't, not on my watch.

I shredded the tentacles to pieces using a wind wall with a wave of my hand, prompting the monster to turn its eye towards me instead with a gaze filled with obvious fury.

"Stay here," I warned, leaping out of the window of my classroom to confront the monster.

Lian Li shouted something along the lines of telling me to be careful and I did a backward wave in response.

The monster quickly regenerated its tentacles and switched its target to me, sending everything it had in an attempt to grab me.

Knowing that these monsters are somehow immune to Origin, I did not try to erase its existence like I had the last time.

Also because of where we were and the fact that it had an incredibly tough shell, I couldn't use anything big like I had done with the previous one either unless I want to wipe this city out of existence.

Well, I just need to spear it through its eye again, no big deal. If it bleeds, it can be killed, as they say.

Not that I would know if it bleeds since the last one was disintegrated anyway.

I summoned balls of Divine Flame and shot them out to burn its tentacles, the monster letting out an inhuman wail of pain despite having no visible mouths on its body.

While it was still reeling in from the attack, I conjured a lance of pure energy and tossed it, the spear piercing through its eye without any resistance.

I thought the lance would reappear on the other side of its body but apparently its inner shell was just as hard as the one outside, not that it matters anyway.

The monster gave another shriek, this one so loud it should have shattered glass but surprisingly, none of the windows did.

I'm guessing it had something to do with the monster popping into existence in our world and why the world looked like it did. Maybe anything with the muted colours is immune to damage?

Also, why isn't it dying yet? The last one died instantly when its eye was pierced.

I snapped my fingers and the energy within the spear burst out from its confines, burning up the eyeball monster from the inside out in seconds.

There, that should kill it.

Under the assumption that the world would return back to normal with its death, I flew back through the window and stood at my original position, only to realise that the world remained the same even as the monster disintegrated to dust.

"Master! Are you alright?" Lian Li asked, my disciple fussing over me like a mother hen would.

Tsuki appeared beside me, doing the same thing as Lian Li, "Aniue, are you hurt?!"

I waved their concerns away, "I'm fine, it was nothing much, see? I'm more concerned about our current situation though. Nothing like this has ever happened before…"

Wasn't this supposed to be my memoryscape? How did these things even appear here without my say so?

The dungeon was one thing since I basically used my powers to create another Plane to go to but… Oh… Is that why? The usage of my powers lit up some kind of beacon for these monsters to follow and are now invading my memoryscape from wherever they're from?

Damn, that means the more I use my powers, the more of them would show up, doesn't it?

Just as that thought crossed my mind, another inhuman roar sounded from the distance, prompting us to look outside the window and see five of them slowly floating towards us from a distance away.

Well this is bad… If I use my powers, it would attract more of them. But if I don't…

I don't think this is a good chance for me to find out whether dying in this world would send me back to the real one… I'm also not going to risk my disciple getting hurt in here either.

These monsters must have something guiding them here, probably holes in the reality leaking out the scent to them.

If I can just find those holes and plug them back, it should not be a problem anymore.

That is… If my hypothesis is correct of course.

But before I worry about that, I think I should take care of these five eyeball monsters first.

I moved in preparation to fly out the classroom again but the girls called out to me.

"Master. Please let me help!" Lian Li begged. "As dashing as Master looks fighting those monsters, I don't want to feel helpless here…"

Tsuki nodded her head as well, "Me too Aniue! Please let your little sister help you too!"

As much as I want to tell them that I appreciate their sentiment and it was enough, I knew they wouldn't back down on this.

I conjured up Lian Li's lightning staff and Tsuki's Mjolnir, handing both items to them.

"Stay here and use these to summon lightning on them. Do not leave this room at all no matter what happens, ok?"

The two girls nodded at me, clutching their weapons close.

I inscribed a few hundred additional layers of protection on them in those few seconds, just in case something goes wrong.

Satisfied that they were sufficiently protected, I leapt out of the window to confront those monsters again.

The four at the front looked the same as the one from before and had their eyes set on the girls behind me, their black tentacles already wiggling in the air around them.

The one at the back, on the other hand, was red in colour and was staring straight at me as opposed to the girls for some reason.

I shuddered slightly, is this one gay?

Nah, what are the odds...

I assume it was simply a group leader of sorts and maybe stronger than its groupies so I prepared to kill it first.

That was when it spoke in a voice not dissimilar to those hundred eyed tentacle monsters that I really, really didn't want to be reminded of again.

"...dnE ehT ot gnihtyreve nruteR ...deef tsuM ...nigirO"

Tsuki and Lian Li had to cover their ears as the voice was similar to someone dragging their nails on a chalkboard. If they didn't have my protection, their eardrums would have burst from it as well.

I guess the girls wouldn't be able to help me if this thing's voice could disable them already, so I immediately launched an energy spear at its eye.

Either these monsters have no sense of self-preservation or were really confident of themselves since it didn't react to my spear until it had pierced its eye, letting out another mind-numbing scream from its non-existent mouth before I burned it into nothingness.

Thankfully, Lian Li and Tsuki managed to recover in time to throw a couple of lightning bolts at one of the monsters.

The lightning bolts hit the monster in the middle of its iris and I expected it to wail in pain like the others did. Instead, the lightning was absorbed by the monster and it even grew a little larger, it's body shining a pale blue light.

It directed its gaze towards me and a giant lightning blast was shot out from its eye, barely missing me by inches when I dodged out of the way.

Not good, it seems like Tsuki and Lian Li won't be able to help me against them after all so I should end this fast.

Summoning four more spears, I simply went ahead and disposed of the other four the same way I had with their predecessors, the monsters burning up and causing the world to revert back to its normal state.

I felt a shift in the world right after the last monster died, an obvious indication that it was reverting back to normal.

Thankfully, all three of us were returned to our original location and state before those monsters appeared, so I didn't need to wipe anyone's memories about our abrupt movements while time was stopped for them.

But now I have more questions…

Those things were definitely linked to those damned tentacle monsters. So why are they here?

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