3cm Hunter

While out to get his sister’s favorite snack, Baek-Hyeon finds himself and the people around him suddenly shrinking... to the size of ants! Now, everything from cats to robotic vacuums pose a threat to human survival. Within this chaos, everyone is given a gift — a unique superpower and interface that lets them see data about themselves. Though it’s become a dark and desperate world, Baek-Hyeon must put his ability and wits to the test to make it out alive and save his sister.

(Source: WEBTOONS)