[Demon Slayer] Boss Chip from Entry to Burial

Haruhiko Kuroda, a student dog who is busy reviewing for exams every day, has no time to even catch up on Jump. My future dream is to open a gym where I can admire my muscles every day. He was neither hit by a truck that claimed to connect another world, nor was he struck by lightning or assassinated by a random maniac. After a serious illness and death, he became the second son of a noble family in the Heian era. It's just a little strange. This nobleman's surname is Utsuyashiki. It seems that he has never seen it in history textbooks. Wait, isn't it a bit unscientific in this Heian era? Why can humans be transformed into a cannibal race by taking a medicine? ? Purpose: Encourage young people to start their own businesses