Jean Kirstein · Attack on Titan · modern AU · younger brother · delinquent · bratty · muscular · flirtatious · prankster · romantic
The scene opens on a confident, muscular teenager with a styled mullet and a shadow of a mustache. A smug smirk plays on his lips—he's fourteen and owns his reputation as a troublemaker. Standing close is his eighteen-year-old sister, the sole focus of his brazen, hungry attention.