Bisexual Isekai Themes

The protagonist plays the part of the villainess(brunette with sword on cover) and both the heroine (blonde on cover) and the protagonists butler(blue haired guy on cover) fall for her and think she is in a relationship with the other.

There is some ehhh stuff (FL is a fujoshi, some consent issues, etc) but the ML does swing both ways so he is canonically bisexual.

The FL seems to be attracted to both men and women, also she has several other women fall for her who have also been attracted to men.

The FL seems to be attracted to both men and women, though she does not act on it towards women.

The FL has been in relationships with a few men, and one of the stories she works with a woman, and it may not be the most obvious but their relationship was very close and I think the woman probably had/has feelings for the FL.

The former villainess loves her husband and expresses attraction towards the FL. The FL also expresses attraction to the former villainess, as well as the ML.

The FL's sister, who features a fair part of the story herself is bi/pansexual. It does play into the flirty bi trope at the beginning but I think its a decent story, especially because same-sex relationships arent really played for a joke from what Ive seen.

The heroine had a crush on a boy at the beginning of the series, and becomes gradually more aware of the "villianess."

The "villainess" held feelings for the prince and later falls for the FL. The FL also seems to love both the ML and the "villainess." I've found the story really enjoyable so far!

FL Attracted to both ML and his Sister. Good for her, Good for her!