I personally think that the milk tea is not much different to others like Gong Cha or Cup Walker. However they do have a more interesting menu than the others which probably that is why they are attracting long queues of customers waiting to KOI.
Ice Cream Milk Tea 4/5
KOI Cafe Iluma
Iluma at Bugis
201 Victoria Street
Nearest MRT: Bugis (EW Line, DT Line)