mao jian hiko, m4a1 (girls' frontline), m4a1 (suspender of time) (girls' frontline), persica (girls' frontline), girls' frontline, absurdres, highres, 2girls, animal ears, bags under eyes, black dress, blue butterfly, bug, butterfly, cat ears, criss-cross halter, dress, flower-trimmed dress, halterneck, huang mo da e yu, insect, lab coat, long hair, messy hair, multiple girls, pink hair, scientist