Feitan's Little Sister (Killua X Reader)

hA this is such trash why did any of you read this i'm dYing [i do not own Hunter x Hunter] [or any of the characters] [i also don't own the art in the cover]

| 𝙷𝚒𝚜𝚘𝚔𝚊'𝚜 𝚕𝚒𝚝𝚝𝚕𝚎 𝚜𝚒𝚜𝚝𝚎𝚛 | 𝙺𝚒𝚕𝚕𝚞𝚊 𝚡 𝚛𝚎𝚊𝚍𝚎𝚛 |

--- 𝘼 𝙢𝙤𝙢𝙚𝙣𝙩 𝙖𝙛𝙩𝙚𝙧 𝙏𝙤𝙣𝙥𝙖 𝙜𝙤𝙚𝙨 𝙞𝙣𝙩𝙤 𝙩𝙝𝙚 𝙘𝙧𝙤𝙬𝙙, #99 𝙬𝙖𝙡𝙠𝙨 𝙤𝙫𝙚𝙧 𝙩𝙤 𝙝𝙞𝙢. ''𝙃𝙚𝙮 𝙏𝙤𝙣𝙥𝙖, 𝙘𝙖𝙣 𝙄 𝙝𝙖𝙫𝙚 𝙨𝙤𝙢𝙚 𝙢𝙤𝙧𝙚 𝙤𝙛 𝙩𝙝𝙖𝙩 𝙤𝙧𝙖𝙣𝙜𝙚 𝙟𝙪𝙞𝙘𝙚 𝙛𝙧𝙤𝙢 𝙚𝙖𝙧𝙡𝙞𝙚𝙧?'' 𝙏𝙝𝙚 𝙨𝙞𝙡𝙫𝙚𝙧 𝙝𝙖𝙞𝙧𝙚𝙙 𝙗𝙤𝙮 𝙖𝙨𝙠𝙚𝙙. ''𝙀𝙝.. 𝙨𝙪𝙧𝙚!'' 𝙏𝙤𝙣�...