Victim to a situation where you travel from one place to another against your will in an anime you don't know of. Things are bound to become a nightmare. (Gon and Killua are aged up)

[ 𝐢 𝐤𝐧𝐨𝐰 𝐦𝐲 𝐚𝐬𝐬 𝐢𝐬 𝐬𝐜𝐫𝐮𝐦𝐩𝐭𝐢𝐨𝐮𝐬, 𝐛𝐮𝐭 𝐭𝐡𝐚𝐭 𝐝𝐎𝐄𝐒𝐍'𝐓 𝐆𝐈𝐕𝐄 𝐘𝐎𝐔 𝐏𝐄𝐑𝐌𝐈𝐒𝐒𝐈𝐎𝐍 𝐓𝐎 𝐁𝐈𝐓𝐄 𝐈𝐓 ] [ I DO NOT OWN DEMON SLAYER ]