High schooler FourMod is often invited by gel nail boy Chian to get their nails done in Siam Square, making FourMod fall for him. However, he later realises he's being kept it reserve when he discovers that Chian has also been inviting half-Thai TikToker Bua to get their nails done together too. To make Chian jealous, FourMod decides to use his close friend Babin to do the same.