Triptych

Bisexual Content: Two main characters (cisgender man and masculine-presenting alien) have/have had romantic and/or sexual relationships with people of more than one gender.

Publisher's Summary: In the near future, humankind has mastered the arts of peace, tolerance, and acceptance. At least, that’s what we claim. But then they arrive. Aliens–the last of a dead race. Suffering culture shock of the worst kind, they must take refuge on a world they cannot understand; one which cannot comprehend the scope of their loss. Taciturn Gwen Pierson and super-geek Basil Grey are Specialists for the Institute...They take in Kalp, a widower who escaped his dying world... But on the aliens’ world, family units come in threes, and when Kalp turns to them for comfort, they unintentionally, but happily, find themselves Kalp’s lovers.