1boy 1girl air_bubble animated bed_sheet black_choker blonde_hair brother_and_sister bubble chibi choker closed_mouth commentary crying flying_sweatdrops hair_ornament hane_k2 headpat hug kamiyama_high_school_uniform_(project_sekai) long_hair no_seek_no_find_(project_sekai) origami paper_crane pink_eyes project_sekai school_uniform siblings sidelocks star_(symbol) star_hair_ornament symbol-only_commentary tenma_saki tenma_tsukasa trembling twintails under_covers very_long_hair video
1boy 1girl air_bubble bed_sheet black_choker blonde_hair brother_and_sister bubble chibi choker closed_mouth crying flying_sweatdrops hair_ornament headpat hug kamiyama_high_school_uniform_(project_sekai) long_hair no_seek_no_find_(project_sekai) origami paper_crane pink_eyes school_uniform siblings sidelocks star_(symbol) star_hair_ornament trembling twintails under_covers very_long_hair
tenma_saki tenma_tsukasa
project_sekai
animated commentary symbol-only_commentary video