Changes

During For April Fool's, the original skin of Five-seveN will turn into a giant white ferret, with iconic red scarf and mocking face emblem. The artist 水乌龟 mentioned on social media that, originally it was designed for April Fool 's skin of FAL as a doll clothing, with a victory pose of take where she takes off the head of the ferret suit. But , but then decided to turn it into an easter egg for Five-seveN.

For 2018 April Fool 's easter egg, the victory pose for Five-seveN becomes a giant white ferret holding a fish. Chinese net user would use 摸鱼(pronounce mō yú) a.k.a catching/stroking fish to represent being distracted by doing something else while working or studying. (Similar easter eggs can be found on {{doll name|Mosin-Nagant|RF|4}}, which is riding a horse.)

Five-seveN is the vice-captain of '''Team FN''', which is known for specially responsible for investigate investigating extraordinary or unexplainable unexplained events. She first appears in night battle of Chapter 6. She is very optimistic and popular among G&K members, but she is also ambitious and vicious, always which shows that when communicate communicating with {{doll name|FAL|AR|5}}, who is the captain of Team FN, by stating she will replace FAL as captain someday. However on the other hand, though Though she always says that she can't get along with FAL, she is also one of very few G&K members that truly understand understands FAL's thoughts and actions. She , she is both the best friend and rival of FAL at the same time. When FAL is in trouble on the battlefield, Five-seveN will always have her back.

<div class="spoiler">First appearance of Five-seveN is in night battle of Chapter 6. Team FN is assigned to investigate the missing T-Doll rumorin rumor in Sector S08. And Since , and since the SF Boss unit Alchemist is involved, and she who only captures elite units, Five-seveN is assigned by FAL to be a decoy to lure Alchemist to show up. </div>