This is M∀lice <P> Dormouse from YU-GI-OH!
Second photo is img2img
For illuXL
Tags (character): malice pawn dormouse, red argyle facial mark,
Tags (clothes): fake mouse ears, asymmetrical thigh boots, frilled hairband, see-through skirt, outstretched arms, black leotard, see-through sleeves, yellow bow, see-through tail
Tags (object): yellow argyle pillow, pillow hug, teacup, teapot,
Tags (background): castle, checked floor, argyle background, gold frame, white border,
Tags (others): chibi, heart, glitch, yellow laser,
For PonyXL
Good at 0.7 up weight.
Tags (character): m∀lice pawn dormouse
Tags (clothes): fake mouse ears, asymmetrical thigh boots, facial mark, hairband, see-through dress, black leotard, see-through sleeves
Tags (object): pillow hug, frilled pillow
Tags (background): castle
Tags (others): chibi, teacup, teapot, argyle, floating