Unique spatula applicator
Many buyers say they purchased specifically to try the built-in spatula tip, which they see as innovative, hygienic, and different from typical doe-foot concealers.
Bundled Milk/Blue corrector set
A large share of reviews mention buying because of the bonus 00 Milk or Blue color-corrector included in promotional sets, viewing it as great value.
Repurchase / holy grail status
Numerous reviewers explicitly state this is their 2nd–5th repurchase and call it a makeup 'essential' or 'holy grail' item.
Influencer/YouTuber recommendation
Several Japanese and Korean reviewers cite seeing the blue concealer recommended by beauty YouTubers or makeup teachers as their reason for buying.
Price/value of the set
Reviewers frequently praise getting two products (main shade + corrector) for a low price, calling it 'a steal' or good cost-performance.