Basement Dungeon ~Poor Siblings become the Strongest and Enjoying Exploration~


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One day, dungeons appeared all over the world. The creatures that sprung up from the dungeons laid waste to the nearby humans and animals.

However, the UMAs, commonly referred to as monsters, that emerged from the dungeons seemed to lose their power as they left the dungeons. Soon, they were quickly eradicated by the technologically advanced countries. Although chaos occurred in countries that did not have enough weapons, the monsters that appeared on the ground were weak and were soon defeated by people that undergo some physical training.

Quick countermeasures were soon taken, and the world regained a sense of peace.

However, the world was once again changed when a country discovered the dungeons have precious resources within.

In Japan, dungeons are finally opened to the public and became a source of merriment and excitement.

However, this is a story about a brother and sister, who have been living in poverty since their parents disappeared. Then, a dungeon suddenly appeared in the bas**ent of their tattered house in the countryside. And the siblings explore it for some entertainment.

Associated Names
One entry per line
Basement Dungeon: Poor Brother and Sister Become the Strongest in Search of Entertainment
Chikashitsu Dungeon: Binbou Kyoudai wa Goraku wo Motomete Saikyou e
地下室ダンジョン ~貧乏兄妹は娯楽を求めて最強へ~
Related Series
D-Genesis (1)
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Latest Release

Date Group Release
05/11/22 Lazy Translations c132
05/04/22 Lazy Translations c131
05/04/22 Lazy Translations c130
05/04/22 Lazy Translations c129
04/27/22 Lazy Translations c128
04/27/22 Lazy Translations c127
04/27/22 Lazy Translations c126
04/20/22 Lazy Translations c125
04/20/22 Lazy Translations c124
04/20/22 Lazy Translations c123
04/05/22 Lazy Translations c122
04/05/22 Lazy Translations c121
04/05/22 Lazy Translations c120
03/30/22 Lazy Translations c119
03/30/22 Lazy Translations c118
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6 Reviews

Nov 08, 2021
Status: c15
This is a Dungeon Lite novel

Not a dungeon novel, not a SoL novel

The MCs aren't rushing at breakneck pace to get into death battles with bosses. They also aren't messing around on an easy journey.

While it had a slow start this novel feels worth the investment. I like the bro/sis MCs (I'm glad they're normal siblings and not super in*estuous like I've seen in too many JP novels).

Nothing groundbreaking but I'm excited to continue reading
9 Likes · Like Permalink | Report
Dec 31, 2021
Status: c86
OK....I very much wanted to like this...

But the two main characters are just so s*upid.

I realize they are mostly uneducated and supposed to be teenagers.... but really...I think the author is keeping them dumb because he/she can't come up with anything else.

I'll keep reading for awhile longer, but it's really going downhill.

If I was to rate it right now it would be about 2.5 stars
5 Likes · Like Permalink | Report
Nov 17, 2021
Status: c67
This novel is a bit different from your typical RPG, the story is about siblings, which are blood related and probably for the first time are not interested in in*est but are actually just normal siblings, yeah thats the biggest point normal, no harem so it already has 1+ star from me, The story isnt that fast, its slow and lets you enjoy it, the main character are not s*upid usual tr*sh who just go through everything with the cheat abilities, and probably because of the environment they were raised... more>> in are very cautious and no again this is not a novel where MC talks all about hiding his powers then shows it at the first sign of trouble, they really do plan and hide their powers for valid reasons, also do plan and strategize while in a big fight, so its good, minus point would be that its a bit slow they dont just go crazy over leveling up but keep track of little things, there have been a few occasions which were a bit tense but nothing really too big, only a bit tense, I am gonna give it five star instead of 4 which I actually wanted to cause this novel needs to be a bit more famous than it is.

Edit_ ok so I was wrong, this goes super brainless after a while. <<less
5 Likes · Like Permalink | Report
Nov 12, 2021
Status: c44
I was semi hopeful reading the summary and setting. But the more I read the dumber the story gets. This is the story of a two bumbling idiot siblings lucking out to be the strongest in Japan, despite doing everything wrong.
4 Likes · Like Permalink | Report
Mar 01, 2022
Status: c101
The beginning chapters are nice but started falling off in the middle chapters and the current chapters are a bit of a pain to read right where I am now because of too many holes.

Both of them basically have a mindset of a no-life gamer despite not playing a game. They view things nonchalantly when other people with a decent head knows that they should back off. This bites them in the ass when ... more>>

the brother's arm gets chopped off.



Also, it's been foreshadowed that they have a super useful item that would certainly come in handy especially when their lives are on the line and when that moment to use the item comes, they couldn't solve their current problem since they just f*cking threw it away a few chapters ago lmao.

2 Likes · Like Permalink | Report
Jul 03, 2023
Status: c132
Story with Plotholes and issues. But at least not completely s*upid. The good:

The Duo makes kind of good progress and use their situation to understand the whole situation.

Author at least seems to be able to portrait the inability to communicate on English.

The Bad: s*upid Japanese mentality. They never want to be seen always try to hide their power. And are too cautious in anything they do.

Plotholes: ... more>>

the Duo comes further than anyone to hinder that progress and make the world catch up the author just let's the brother have a broken arm which heals in 3 months....

He does kind of the same thing again later by making the brother lose an arm. At least now they have enough healing potions.

Also why can't the Duo not just collect everything they have and go sell it easily. He even mentions kind of anonymous auctions. But only uses them once. Hello I have sold so much stuff on eBay and nobody cares who I am. Ugh. Instead the poor duo just always stays poor and can hardly afford anything. Talk about hindering progress and character development.

0 Likes · Like Permalink | Report
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