A Girl from another World becomes a Saint, heros party says something about a harem. And then the hero kills everyone but her, Idkヾ(❀╹◡╹)ノ~
Is it oneshot?
Yup (=・ω・=)
Perhaps this one? https://www.mangago.me/read-manga/isekai_saintess_tries_to_escape_the_harem_type_yandere/
Yayayayayay Thwank You dear Lord (/TДT)/
A Girl from another World becomes a Saint, heros party says something about a harem. And then the hero kills everyone but her, Idkヾ(❀╹◡╹)ノ~