Author Bonus Drawing(s) is a bonus sketch, illustration, picture, or any other media made by the series author Negi Haruba and not included in the official Volume. These drawings serve various purposes, such as commemorating a milestone, an illustration for magazine cover, or just author's sketch in his free time. Most of these bonus drawing are posted in the Author's Twitter (@negi_haruba).
List of Author Bonus Drawing[]
2019[]
January
February
March
July
2018[]
2017[]
Trivia[]
References[]