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"Somehow, I managed to finish it safely."

When I returned to the outside of the Isolated Demon Tower by the transfer magic, I muttered with a voice that was mixed with relief and dissatisfaction.

Because it would be troublesome if I were to be discovered by the person who was sent to investigate this dungeon, I used [Stealth] and left that place.

Along the way, I suddenly wondered whether I could enter the Isolated Demon Tower once again using [Transfer Within Dungeon] or not. But, since it would be troublesome if another quest started, I decided to stop trying to do that this time.

Rather than that, I took my smartphone from [Item Box] and noticed that there was a message from Hana.

"This is bad. I lost the sense of the dates in the middle of capturing, and it seems today was the day of Hana’s dungeon exercise. ‘Because you didn't come back no matter how much time passed, I'll go ahead, okay?' Was written in the message but… The place was the same as the last time, Sumifuku Dungeon, huh. Since it's pretty close, I guess I'll go there just in case."

Although there was a part of me that wanted to take a bath first and relax, since I've acquired cleaning magic during capture and had been using it diligently, there should be no problem regarding dirt on my body and clothes.

If I was still told that I stink even with this, your Onii-chan surely will die.

"Well, whatever, let's just go right away."

Such being the case, I headed to Sumifuku Dungeon.

As I arrived at Sumifuku Dungeon after several tens of minutes of walking, an uncomfortable feeling assaulted me.

There were too many people at the entrance. Or rather, I've seen those people before. They're the students and their escorts who took the dungeon training with Hana the other day.

What's even stranger was that all of them displayed an expression as if they're being attacked by fear and uneasiness.

And–

"Where is Hana?"

I realized that I couldn't discover the figure of Hana among them even though normally she should have been with them.

Then, I caught and asked a relatively calm man who was nearby.

"Excuse me, what happened?"

"Eh? Y-yes, actually–"

Hearing the continuation of his words, my heartbeat accelerated.

◇◆◇

A few hours ago.

"Onii-chan still hasn't come back!!"

One morning, several days after Rin left their home, Hana suddenly yelled in the living room. And she puffed out her cheeks.

It was natural that she had such reactions. Today was the day for the dungeon exercise after all.

"Onii-chan did say he might not be in time but, I didn't think he really wouldn’t come back. There has been no contact in the last few days too. Really, what a troublesome Onii-chan."

While muttering such things, soon it was the time for her to depart. Thus, Hana hurriedly finishes her preparation and leaves her home.

"At least, send me a message. When I come back, I'll complain to Onii-chan. Yes, let's do that."

Then, Hana headed to today's gathering place which was Sumifuku Dungeon.

When she arrived at Sumifuku Dungeon, about half of the previous number of participants had gathered there. It’s probably because the people who failed to acquire status last time weren’t here. Incidentally, most of them came with their escorts too.

Suddenly, Hana turned her sight to the very conspicuous tower that entered her sight from a while ago.

"That too, is more or less a dungeon, right?"

A huge tower that suddenly appeared a few days ago. It was so close to Sumifuku Dungeon to the extent one could go there by walking.

According to the experts, that tower was most likely a dungeon too. However, the gate to enter the dungeon wasn't found, causing the investigation to hardly progress. And because the top of the tower extends above the clouds, it couldn’t be inspected.

"Well, rather than thinking about that, I have to think about myself first. Today, I'm going to defeat the monsters after all. I have to do my best."

Toward Hana who had such fresh motivation, someone approached.

"Good morning, Amane-san."

"Ah! Etto"

It was someone from the Adventurer Association who was also here last time. Hana was trying to squeeze the name of this person from the corners of her memory.

(–I remember!)

"If I'm not mistaken, Yanagi-san, right? Long time no see."

"Yes, I look forward to working with you today too. By the way, are you alone today?"

He was probably asking whether Rin was accompanying her or not and Hana could only nod with a bitter smile.

"Yes. Actually, my brother has been away from home for a few days… But since he has taught me many things in advance, I'm sure I will be fine alone!"

"Is that so… That's unfortunate."

"? Y-yes"

Although feeling a sense of discomfort with the flow of the conversation, Hana, who judged what he meant it was unfortunate that Rin wasn't here, once again nodded.

While they were having such conversations, Katagiri of the Adventurer Association announced to the ones who were here just like the last time.

"Well then, after this we’re going to conduct the dungeon exercise. Although the monsters will be a little stronger since we're going deeper than the last time, there is no need to worry as we will be there too. Please act without panicking."

Then, with Katagiri at the front, the people entered the gate one after another. Naturally, Hana hurriedly chased after everyone, so she wouldn’t fall behind.

"Yes, that's very unfortunate…really"

Probably because of that. The small mutters behind her never reached Hana's ears.