Sword Art Online Alternative: Gun Gale Online (2018)

Karen Kohiruimaki, a reserved university student from Tokyo, grapples with insecurity over her height, feeling out of place in the real world. Seeking refuge, she immerses herself in the virtual realm of Gun Gale Online, where she finally becomes her ideal short avatar, LLENN. Embracing this new identity, she swiftly earns a reputation as a formidable player killer. However, after a surprising defeat, she encounters the quirky and skilled Pitohui, who challenges her to join the intense battle royale known as Squad Jam. LLENN must now leverage her skills and determination to rise to the top.