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The girl’s name was Kasai Yui.

18 years old and she will be a first-year student at college in spring.

She, who was admitted to a university by recommendations a few months ago, decided to start working as an adventurer to gather living expenses for the future.

It seems she started to become an adventurer with the intention of doing it like a part-time job, with only trying to capture the dungeons by forming a party with other adventurers instead of diving into the dungeon everyday like me.

There were many adventurers like that. Because as long as they pay attention to their safety, they can make some money with decent efficiency. However, it seems that she has no luck this time.

I sighed with a mixture of sympathy and frustration after hearing her story until the end.

“You mean, the adventurers you form a party with entered the dungeon without knowing only four people can challenge the boss of Yumemi Dungeon at the same time?”

“Y-yes. But, even if we knew that we couldn’t challenge the dungeon boss with five people, we couldn't afford to go back the same way. And then, the party leader began to say it’s easier to return to the surface if the dungeon’s boss was defeated. So, for the time being it has become like this, 4 people will challenge the boss while the remaining one should join the next party that comes here…”

“So they leave you, who formed a temporary party with them behind?  … That’s the worst.”

They will definitely receive a punishment if this case gets reported to the Adventurers Association.

Only adventurers that are inside the dungeon know what’s happening inside. Therefore, no matter what kind of crime is being committed inside the dungeon, there is no way to know from the outside (except for using certain skills). That’s why, heavy punishment would be given if such an act was discovered.

At any rate, what should I do? Defeating the boss with her would be the best option, but… Honestly, it’s not recommended as I alone is enough.

This is because the level-up rewards for capturing dungeons are given to all members in the party. That means, the one who fights while risking their life and the one who does nothing but watch will receive the same rewards.

The act of receiving the benefit of leveling up without making any contribution is called【Parasite】 and that kind of act was loathed by adventurers.

So, originally I should have ignored her and challenged the boss alone but…it would leave me with a bad aftertaste if I ignored her here.

Besides, the most hated case of Parasitism is when someone follows a party to dungeons that are ranked higher than his or her ability. And the fact that she was here means she should be at the level where she could challenge D rank dungeons.

If it’s like that, I think there is no problem.

“Um…Kasai was it?”

“Y-yes”

“The gate of the boss room will be opened soon. So, get ready because we’ll enter right away.”

“Does that mean…”

“Yes, I will go with you. But, only this time.”

“Y-yes! Thank you very much!”

Kasai vigorously bowed her head with a beaming expression on her face. Honestly, it’s not a bad feeling to get thanked by someone.

As I was thinking of something like that, the gate of the boss room opened. Looks like the previous party has defeated the boss.

“Well, let’s go.”

“Ah, isn’t it better to check each other’s level and skill before we enter…”

Kasai’s remark is correct. It is important to adjust to each other’s level and skills. However, this is not necessarily the case in our current situation.

I turned around and with my back facing her, boldly said.

“No need. Who do you think I am?”

“Who…are you?”

Crap, I haven’t introduced myself yet.

“Amane Rin.”

“Amane Rin-san…Um, because I also know someone with ‘Amane’ as her name, can I call you Rin-san?”

“Sure”

“Thank you very much. If you wouldn’t mind, please call me Yui.”

“Okay”

Like this, Yui and I entered the boss room and killed the harpy in a single blow.