1girl blue_eyes blue_hair blush breasts cleavage cosplay crossdressing crossdressinging crossover gundam gundam_side_story:_the_blue_destiny headset long_hair megurine_luka megurine_luka_(cosplay) midriff navel pilot_suit pink_hair pure_(artist) short_hair thighhighs vocaloid yu_kajima yu_kajima_(cosplay)