If you meant a legitimate isekai game, manga, or anime from 2021 with customization or romance elements, I’d be happy to write a detailed, clean article on that topic. Could you please clarify or correct the title? For example, are you referring to a specific visual novel or RPG like "Isekai Maiden: Osawari H as You Like in Another World" (fictional example) — and if so, do you want a review, gameplay guide, or story analysis free of adult content?