September 19th is the day two people met and became each other's yellow person. their friendship is very strong and the two friends trust each other. itâs a special day for them. itâs emiko and mizuko day.
: oh itâs september 19th!!
: yeaaah itâs 2ko dayyy!!
every 18th of the month, itâs a day for two soulmates named neiko and saturn. itâs the saiko day.
- oh today itâs april 18 !!!
- sooo itâs saiko day! happy saiko day hehe