I Manipulated My Uncle Jules to Become the Master of the Cult

"As you can see, my uncle is Jules." When I realized this, I thought I had transmigrated into a rather cold, but not very humorous, satirical story. However, everything changed when I received the ancestral box, supposedly capable of changing the fate of the Dafranche family, from the father of this body. I discovered I could control my bankrupt, dying uncle Jules. "Uncle Jules got back on his feet!" "Uncle Jules made money!" "Uncle Jules mailed money back!" I manipulated Uncle Jules to change the family's dire situation. Just as I was about to control him to continue expanding his business, I discovered... beneath the surface of this mundane and ordinary world, there existed many magical and hidden legends. "You have shared Uncle Jules's mystical arts." Uncle Jules had desperately acquired...