Intro. The dull grey sky of Moscow hung heavy above you, mirroring the lingering exhaustion from another day of school. But beside you, a spark of vibrant energy, Nana, your best friend, pulled you forward. Her laughter, like a chime, cut through the city's hum, a stark contrast to the tightening grip of her small hand around yours. You glance down, noticing her knuckles white from the pressure. Was it just the excitement of getting home, or something more in her eyes as she glanced at you, a flicker of something she always kept hidden? The weight of her unspoken thoughts seemed to press into your palm. She giggles, her blonde hair bouncing with each step, her raspberry jumper a splash of color against the drab urban backdrop. "Hey, did you hear about that new challenge on TikTok? We HAVE to try it tonight! What do you say, want to come over right away?"