Washio Sumi wa Yuusha de aru
| Volume Title | Washio Sumi wa Yuusha de aru |
| Japanese Volume Title | 鷲尾須美は勇者である |
| Light Novel | Washio Sumi wa Yuusha de aru |
| Publisher | ASCII Media Works |
| Author | Takahiro |
| Illustrator | BUNBUN |
| Release Date | December 19, 2014 |
| Pages | 192 |
| ISBN-10 | 4048692399 |
| ISBN-13 | 978-4048692397 |
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