tanigawa ruri and sasaya natsuki (ruri no houseki) drawn by shibuya_keiichirou

2girls absurdres amber_(gemstone) artist_name bilingual_text blonde_hair boots border copyright_name cover cover_page elevation_contour_lines english_text fossil gem gloves goggles grass green_eyes hammer highres holding holding_hammer jacket long_hair manga_cover mixed-language_text multiple_girls official_art open_mouth pants rock ruri_no_houseki sasaya_natsuki second-party_source shibuya_keiichirou shoes short_twintails sneakers squatting standing tanigawa_ruri twintails unworn_goggles white_background yellow_eyes