| magpul_fmg-9 | gun submachine_gun weapon | |
| magpul_pdr | bullpup gun submachine_gun weapon | |
| mahjong_table | table | |
| maid_apron | apron | |
| maid_bikini | bikini maid swimsuit unconventional_maid | |
| maid_leotard | maid unconventional_maid | |
| maid_one-piece_swimsuit | maid unconventional_maid | |
| maikaze_(valentine)_(kancolle) | character:maikaze_(kancolle) | |
| majutsu_tantei_tokisaki_kurumi_no_jikenbo | copyright:date_a_live | |
| makarov_pm | gun handgun weapon | |
| makigumo_kai_ni_(swimsuit)_(kancolle) | character:makigumo_(kancolle) character:makigumo_kai_ni_(kancolle) | |
| makigumo_(swimsuit)_(kancolle) | character:makigumo_(kancolle) | |
| makio_(makiomeigenbot) | banned_artist | |
| makizushi | food sushi | |
| makotoonxx | banned_artist | |
| male_maid | crossdressing maid | |
| male_masturbation | masturbation | |
| male_on_futa | futa_with_male futanari | |
| male_pubic_hair | pubic_hair | |
| male_spitroast | spitroast | |
| male_underwear | underwear | |
| male_underwear_aside | clothing_aside male_underwear underwear | |
| male_underwear_peek | male_underwear underwear | |
| male_underwear_pull | male_underwear underwear | |
| mallard | bird duck | |
| mall_link_suit | mecha_pilot_suit | |
| mame_daifuku_(food) | daifuku | |
| mamezara | plate | |
| mamiya_(christmas)_(kancolle) | character:mamiya_(kancolle) | |
| mamiya_(swimsuit)_(kancolle) | character:mamiya_(kancolle) | |