Below is a list of keywords used during the training of MB_robot-nai-v2:
[57] 1girl
[11] :d
[1] :o
[1] >_<
[1] AB_robot
[3] MB robot
[60] MB_robot
[1] ^_^
[1] ahoge
[49] android
[8] animal ears
[2] aqua eyes
[2] aqua hair
[2] armor
[1] arms at sides
[1] arms up
[5] ass
[17] bangs
[1] black background
[1] black gloves
[4] black hair
[1] blonde hair
[9] blue eyes
[3] blue hair
[9] blush
[1] blush stickers
[6] bodysuit
[5] bow
[22] breasts
[1] broom
[1] brown eyes
[2] brown leotard
[3] cable
[1] cat ears
[1] cat tail
[2] character name
[8] chibi
[2] clenched hand
[3] clenched hands
[2] closed eyes
[9] closed mouth
[1] colored skin
[1] contrapposto
[1] copyright name
[8] covered navel
[1] curled horns
[1] dead master
[3] detailed face
[2] doll joints
[1] dragon girl
[1] dragon horns
[1] dragon tail
[1] elizabeth bathory (fate)
[1] english text
[1] expressions
[1] extra arms
[1] extra eyes
[1] facing away
[1] fake animal ears
[1] fang
[8] figure
[1] flat chest
[2] floating
[1] flying
[1] fox ears
[34] frea
[2] frea green
[3] frea red
[8] from behind
[1] front
[59] full body
[9] gloves
[2] glowing
[1] gradient
[1] gradient background
[3] green background
[15] green eyes
[1] green hair
[7] grey background
[2] grey hair
[1] grey leotard
[1] grey skin
[4] gun
[9] hair between eyes
[8] hair over one eye
[2] hands on hips
[1] hands up
[1] hat
[2] head gear
[12] headgear
[1] heart
[5] helmet
[1] high heels
[9] holding
[1] holding broom
[3] holding gun
[1] holding sword
[6] holding weapon
[5] horns
[10] humanoid robot
[33] joints
[1] kirisame marisa
[1] knife
[1] legs apart
[8] legs spread
[8] leotard
[4] long hair
[1] looking ahead
[38] looking at viewer
[2] looking back
[1] looking down
[1] maid headdress
[21] mecha
[1] mecha girl
[34] mecha musume
[1] mechanical ears
[1] mechanical parts
[3] mechanical tail
[1] mechanical wings
[4] mechanization
[12] medabot
[4] medabots
[8] medabots 
[4] medium breasts
[1] mobile suit
[1] monochrome
[1] monster girl
[4] multiple views
[7] navel
[1] necktie
[15] no humans
[25] no mouth
[1] nude
[1] one eye covered
[1] one-eyed
[4] open hand
[6] open hands
[15] open mouth
[2] orange eyes
[1] outstretched arm
[1] outstretched arms
[1] pale skin
[2] pantyhose
[1] parted lips
[3] personification
[1] pink background
[1] pink eyes
[5] pink hair
[2] pointy ears
[1] portrait
[1] purple background
[1] purple bow
[16] purple eyes
[24] purple hair
[1] purple leotard
[1] purple skin
[9] pvc
[6] rabbit ears
[1] rabbit tail
[16] red eyes
[1] red scarf
[2] reference sheet
[34] robot
[57] robot girl
[20] robot joints
[1] scarf
[10] science fiction
[3] see-through
[3] shadow
[27] short hair
[33] simple background
[1] single horn
[3] sketch
[14] small breasts
[18] smile
[59] solo
[28] standing
[2] straight-on
[1] sword
[5] tail
[4] teeth
[2] thigh gap
[6] thighhighs
[4] twintails
[1] two side up
[2] two-tone background
[5] upper body
[3] upper teeth only
[1] v-shaped eyebrows
[10] weapon
[36] white background
[7] white gloves
[2] white hair
[2] white skin
[1] wings
[1] witch hat
[1] xd
[1] yellow eyes
[1] zeon
[1] zoom layer