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

Other days

first love

First Love Day
bow tie

Bow Tie Day
tulip

Tulip Day
coffee

Coffee Day
emoji

Emoji Day
offer

Offer Day
cuddle up

Cuddle Up Day
gum

Gum Day
comfy

Comfy Day
kiss a ginger

Kiss A Ginger Day