Nameless Nun/Nisou(尼僧) from Leatherman(レザーマン) OVA character lora.

Trigger words:

LTHRMNNun, retro artstyle, 1990s (style),

nun, habit, habit, white habit,

Optional: cross(you're probably better off not using this one)

Negative prompts for coif version:

hair, visible hair, bangs, black habit, hands together, own hands together, sexy, revealing clothing,

Without headwear:

LTHRMNNun, retro artstyle, 1990s (style),

nun,

Negative prompts for coif removed:

habit, covered head, white habit, covered hair, covered head, headwear, waistband, white wrist cuffs, wrist cuffs, white sleeves, head cover, slit, side slit, Veil, coif, hands together, own hands together, sexy, revealing clothing, holding, holding cross, parted hair, multiple crosses, nun coif, scarf, head scarf, head veil,

A bit glitchy and tends to favor the covered head version.