Oops, it doesn't look like 'yumi is sexy day' is a national day..

Other days

pick me

Pick Me Day
ruby

Ruby Day
ponytail

Ponytail Day
kale

Kale Day
first love

First Love Day
lumpy rug

Lumpy Rug Day
buddy

Buddy Day
bow tie

Bow Tie Day
ormille

Ormille Day
bonang

Bonang Day