yazuka, shiota nagisa, ansatsu kyoushitsu, highres, 2boys, bikini, black bikini, blue hair, censored, crossdressing, crossdressing (mtf), cum, cum in mouth, cum on body, cum on chest, cum on tongue, erection, facial, front-tie bikini top, front-tie top, hand on another's head, mosaic censoring, multiple boys, open mouth, penis, penis on face, penis over eyes, short twintails, smile, swimsuit, tongue, tongue out, trap, trembling, twintails, v, yaoi