First posting on SoundCloud, then on Instagram, then YouTube, Twitch, and TikTok, Mxmtoon is a marker for a new kind of celebrity. Her unfiltered, ukulele-forward songs, from “Seasonal Depression” to “1-800-DATEME” to “I Love Suffering,” all speak candidly to the feelings of growing up in the post–flip phone age. But, in a very Gen Z way, Maia toes the line between sharing herself with her audience and drawing her own lines of personal privacy.