The first game Motto! Haramase! Honoo no oppai isekai ero mahou gakuen! is tagged properly as motto!_haramase!_honoo_no_oppai_isekai_ero_mahou_gakuen! but the next game is tagged motto_haramase_honoo_no_oppai_chou_ero_apuri_gakuen! a slight inconsistent error, the games barely had any uploads anyways. Series wise it matters though.