Isuna Hasekura (支倉 凍砂, Hasekura Isuna) is a Japanese novelist and most well know as the author of the Spice and Wolf Light Novel and Manga.
He is very active on the @spicytails Twitter account and has multiple other sites:
- hasekuraisuna.jp a site documenting Spice and Wolf and Hasekura's various other works.
- spicy-tails.net a site related to works by Hasekura's indie game developing studio Spicy Tails, which also promotes Hasekura's other works.
- Ameba Hasekura's old daily micro-blog.