Kagami Junichirou is known as a Genius Physicist. He wrote a thesis at a young age of 17 and it was even published by "Nature" a prominent science magazine. After college he devoted himself to being an Otaku and a NEET. Updating his Anime Blog, aiming for #1 ranking. He claims to have a disease that makes him do ONLY what he wants to do. Desperate to get him to do something with his life, his little sister manages to get him a job as a teacher at his Alma Mater.