6+girls abyss angel_wings artemisia bad_id bad_pixiv_id blonde_hair brother_and_sister chronica chronicle_2nd eien_no_shounen el_(sound_horizon) eleuseus elysion hiver_laurant layla_(sound_horizon) light_smile long_hair lost lost-ko moira multicolored_hair multiple_boys multiple_girls pink_hair ponytail purple_hair red_eyes red_hair roman seisen_no_iberia shounen_wa_tsurugi_wo... siblings sound_horizon sword thanatos-ko thanatos_(album) tsurugi_no_shounen twins very_long_hair weapon white_hair wings yeruen