V2 is a LOHA model so you need the Lycoris Extension for A1111 to use it (only for A1111 Version <1.5). For Automatic1111 version 1.5 and higher, no extension is needed. Lycoris models work exactly the same as LoRAs on 1.5+. Install them to the LoRA folder and they will show up in the extra networks section, just like other LoRAs.

Bettercocks2 is Identical to Tgirls_V4.