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

Other days

cat girl

Cat Girl Day
fiancee

Fiancee Day
pampering

Pampering Day
boba

Boba Day
youth

Youth Day
healing

Healing Day
ride the wind

Ride The Wind Day
bow tie

Bow Tie Day
tulip

Tulip Day
ask out your crush

Ask Out Your Crush Day