The protagonist, who thought she was living a fairly trouble-free life in modern Japan, somehow found herself as a young girl in an orphanage in another world.

At the age of eight, with her future life almost certainly destined for slavery, she desperately tried to find a way out, but couldn't find an effective solution. Until one day...

The "Seika" (Holy Coin), a mysterious medal said to be capable of performing various miracles.

Armed with the Seika she chanced upon, and undeterred by this dangerous world teeming with monsters, she escapes the orphanage, gets hired by a noble's daughter, dives into dungeons to earn a hefty sum, and strives for a better life!

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