https://civitai.com/models/2257448/sakakibara-marika-and-fuwa-aya?modelVersionId=2541180 Generates the characters Marika & Aya from the yuri manga "A Yuri Story About a Girl Who Insists "It's Impossible for Two Girls to Get Together" Completely Falling Within 100 Days" by Mikami Teren and Kayako. They can be generated together or separately with their respective tags: sakakibara_marika or fuwa_aya. To generate them together make sure to use the tags "2girls, multiple girls" to your positive prompt and add "1girl, solo" to your negative prompt. It also help to add some action prompts like "hugging, kissing" or some action that requires two characters.