Supernatural Detective: Even If You Are Reincarnated, You Must Be Materialistic

Sir Yang is a student studying in Japan, but secretly he is an anonymous private detective who is very popular on the Internet. One day, he received a commission to meet his employer. Unexpectedly, the employer is the popular manga artist Akiyama Yukino. Oops, I didn't expect that my favorite manga artist is actually a super beautiful girl. Thank you God for this gift! However, Teacher Yukino asked Sir Yang to investigate a fire that occurred in the villa fifty years ago. What is the reason for this?