takahashi hideki, daitoku junna, hidaka subaru, irei mizuka, senomiya akiho, yashio kaito, robotics;notes, science adventure, absurdres, highres, official art, 1boy, 2girls, anime coloring, blazer, blue sailor collar, bow, brown eyes, brown hair, chest bow, chuo tanegashima high school uniform, collarbone, crossed arms, dress shirt, jacket, multiple girls, red bow, red eyes, red hair, sailor collar, school uniform, shirt, winter uniform