Went to Nunsongyee for the third time yesterday. Tried their Cheesecake Bingsu (S$ 14.90) this time. Was OK. Love their Snow White Bingsu (S$ 18.90) though!
Side note, they are open 24/7.

http://lurvethelife.blogspot.com/2016/04/nunsongyee-korean-dessert-cafe-bugis.html for full review.