Reito Mizuhara, also known as No. 2, is the main protagonist of the World's End Harem manga and World's End Harem: After World. He is a former student from the National Advanced Medical School. While at school, Reito informs his childhood friend, Elisa Tachibana, he is in love with her, but he is diagnosed with cellular sclerosis and would be in cold sleep for four to five years. Five years later in 2045, Reito awakes to a world where only women are alive and he has to mate with the remaining wo