((masterpiece)), ((best quality)), ((ultra-detailed)), score_9_up, score_8_up, score_7_up, HD, top quality, best quality, High-quality illustrations, anime screencap, perfect anatomy, 1male, 1boy, solo male, male focus, anime, anime boy, male anime character, handsome, attractive, cute, smiling, happy, charming smile,Yuu Kotegawa,blonde hair,gray-yellow eyes, slim body, tall body, slender body, slim slender body, wearing necklace, wearing long sleeve blue shirt, white pants

((masterpiece)), ((best quality)), ((ultra-detailed)), score_9_up, score_8_up, score_7_up, HD, top quality, best quality, High-quality illustrations, anime screencap, perfect anatomy, 1male, 1boy, solo male, male focus, anime, anime boy, male anime character, handsome, attractive, cute, smiling, happy, charming smile,Yuu Kotegawa,blonde hair,gray-yellow eyes, slim body, tall body, slender body, slim slender body, model, male model, necklace, wearing open unbuttoned long sleeve polo shirt, exposed chest, exposed abdomen, navel, sitting, sitting position, modeling, posing, top view, view from above, bird's eye view

((masterpiece)), ((best quality)), ((ultra-detailed)), score_9_up, score_8_up, score_7_up, HD, top quality, best quality, High-quality illustrations, anime screencap, perfect anatomy, 1male, 1boy, solo male, male focus, anime, anime boy, male anime character, handsome, attractive, cute, smiling, happy, charming smile,Yuu Kotegawa,blonde hair,gray-yellow eyes, slim body, tall body, slender body, slim slender body, model, male model, necklace, wearing open unbuttoned long sleeve polo shirt, exposed chest, exposed abdomen, navel, sitting, sitting position, modeling, posing, top view, view from above, bird's eye view

((masterpiece)), ((best quality)), ((ultra-detailed)), score_9_up, score_8_up, score_7_up, HD, top quality, best quality, High-quality illustrations, anime screencap, perfect anatomy, 1boy, 1male, male anime character, anime boy, solo male, male focus, Yuu Kotegawa, blonde hair, gray-yellow eyes, lean body, fit body, slim body, tall, tall body, tall height, black tank top, ((large sleeve hole, low sleeve hole)), raised arm, ((showing armpit, armpit fully exposed)), ((side shot, view from the side)), ((armpit focus, focus on armpit)), ((smooth armpit, sexy armpit, white armpit))

((masterpiece)), ((best quality)), ((ultra-detailed)), score_9_up, score_8_up, score_7_up, HD, top quality, best quality, High-quality illustrations, anime screencap, perfect anatomy, 1boy, 1male, male anime character, anime boy, solo male, male focus, Yuu Kotegawa, blonde hair, gray-yellow eyes, lean body, fit body, slim body, tall, tall body, tall height, black tank top, ((large sleeve hole, low sleeve hole)), raised arm, ((showing armpit, armpit fully exposed)), ((side shot, view from the side)), ((armpit focus, focus on armpit)), ((smooth armpit, sexy armpit, white armpit))