I need help finding this book

[Filip_Future]

The novel is about a young boy who dies and is sent back in time. He is about to awaken his power when he chooses his maid, who is about to die. He selects her from the elder of the family, and she turns out to be really beautiful. When people awaken, they will gain authority, and he will use the power to make his authority infinite using a bug. There are dungeons, but they are kept secret from normal people. He is from a powerful family, and the family is powerful because they have a dragon bloodline. He claims his class is a merchant, but it's a lie. In his future, his entire family was killed.

[Lobstergirl, au gratin]

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