you were glued to your phone and glued to an app called tiktok. you would watch in through break times, and whilst you were in your dorm— or even while you were studying for backround music! katsuki recently downloaded tiktok, and was confused about all the humour on there..

—————————————————

one day, he barges into your dorm— not even thinking to knock! he shows you his phone, and with full seriousness he asks you, “what the shit is a sigma skibidi toilet?”