"Yuzu Shichimi (柚子七味) is Hachimi (八味) ." This is a comment that a certain comedian said on TV about 10 years ago. When I was about to sprinkle shichimi to udon for lunch, I suddenly remembered those words. Indeed, yuzu is not one of the original ingredients of shichimi, so it can be said that yuzu shichimi contains eight flavors. Therefore, the following equation holds. 【Shichimi(7 flavors) + Yuzu(1 flavor) = Hachimi(8 flavors) 】 This time, I will introduce some examples of such Shichimi Equations. (1) ( LINK ) 【Shichimi(7 flavors) + Yuzu(1 flavor) + Pepper(1 flavor) = Kumi(九味) 】 (2) ( LINK ) 【Shichimi(7 flavors) + Rainbow(7 colors) = Shichi Shichimi(七七味) 】 (3) ( LINK ) 【Shichimi(7 flavors) + Straw Hat Crew(1 crew) = Hachimi(八味) 】 (4) ( LINK ) The kanji "三重" means "three overlaps", so 【Shichimi(7 flavors) × 3 = Nijûichimi(二十一味) 】 (5) ( LINK ) 【Shichimi(7 flavors) + Waka(5,7,5,7,7) = Go-Shichi-Go-Shichi-Shichi Shichimi(五七五七七七味) 】 So, what Shichimi Equ...