User blog comment:SpookyBoogie27/Light Novel Spoilers/@comment-5882552-20130128234920/@comment-1359322-20130129180611

The author skipped that part away since basically everyone in the Occult Research Club wanted to date Issei, so i don't think the author would have gone to such length to write it out but then like Ezgoingboy27 said, he might write a short story on it.