|Esaka Sougen江坂 宗源|
|Hair||Eye Covering, Grey, Moustache, Parted to Side, Short, Thick Eyebrows|
|Body||Adult, Pale, Tall (obsolete)|
|Clothes||Monocle, Necktie, Suit|
|Items||Smoking Pipe, Walking Stick|
|Personality||Mischievous, Refined, Strange|
|Visual novels||Side character - Rewrite|
Side character - Rewrite Harvest Festa!
|Voiced by||Touchi Hiroki|
A gentleman who runs an antique shop business in the city of Kazamatsuri. After meeting Kotarou on a certain occasion, he grants him advice that draws from his vast life experience. Although calling himself a "totally humorous, somewhat mischievous businessman", his gags oppositely charm everyone with fear.