hijiri tsukasa, hiiragi tomoe, souseiseki, tomo-nee, nee chanto shiyou yo!, rozen maiden, bad id, bad pixiv id, 00s, 2girls, ahoge, barefoot, blush, breasts, brown hair, crossover, doll joints, gym uniform, heterochromia, joints, kiyoshi tsukasa, large breasts, long hair, milestone celebration, multiple girls, name tag, nee-chan to shiyo yo, one-piece swimsuit, pink hair, purple hair, school swimsuit, short hair, sitting, swimsuit, twintails, v, yellow eyes