1boy 1girl aether_(genshin_impact) blonde_hair brother_and_sister collarbone comic commentary contemporary english_commentary english_text genshin_impact hickey highres implied_after_sex implied_yaoi laughing liann1009 long_hair lumine_(genshin_impact) open_mouth shirt short_hair_with_long_locks siblings sidelocks speech_bubble twins undressing white_background white_shirt yellow_eyes