stark_sousou_no_frieren, red hair, red eyes, 18 year old, male, model, male model, handsome, attractive, confident, charismatic, sexy, hot, cute, adorable, smiling, happy, joyful, lovely smile, showing teeth, smiling showing teeth, winking, cute eye wink, lean body, slim body, lean slim male body, firm arms, firm biceps, firm triceps, not too muscular, wearing white tank top, white tank top, wearing black pants, armpits, armpit fetish, showing armpits, exposing armpits, beautiful armpits, emphasis on armpits, modeling, posing