Doraemon's Sign-In System

Tang Tan couldn't find a job after graduating from college and his girlfriend ran away with him. Forced by the pressure of life, he jumped off a building. Suona starts~ Ahem Suddenly he woke up and became the son of the rich man Tang Brick. Before he could enjoy his life, the Wang family jointly attacked the Tang family in the middle of the night, causing the Tang family to almost be wiped out. Only the head of the Tang family, Tang Brick, his son Tang Tan and their loyal bodyguards were left. There were only five companies left in the island country, and their net worth dropped to 32 billion US dollars. But something mysterious happened and everyone who opposed the Tang family disappeared the next day. After Tang Tan met Shizuka, he realized that this was Doraemon's world and obtained the sign-in system. Let's see how Tang Tan shows off his skills in the world of Doraemon This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.