Director Hyungsuk Yoo commented, “We will never tolerate anyone intentionally inserting hate speech into NIKKE or approaching the game with that mindset.” He mentions that the studio has recently taken steps to fortify its internal quality review process and project management system to prevent “recurrence of issues.” 
While the developers weren’t specific about what this refers to, the statement was likely meant to address a controversial incident from earlier this year. In August, Shift Up released a commemorative illustration celebrating the game’s 1,000th day since launch. However, the artwork quickly blew up among a portion of Korean players, who alleged that the hands of two characters were posed so as to evoke a “finger-pinching gesture”
You can see the image in the article. One of the crazier "controversies" I've seen in a while. Nothing says you have a small penis like getting mad over fingers.