Skye Izumi and Fuyu
Skye Izumi is a male who has the figure and face of a female, the reason Skye as a feminine body is for reasons out of his control, it happened after being blessed by a newbie goddess who didn't know effects of blessing children.
In the world Skye is from children can be blessed within one year of being born, there are two kinds of spirits, animals spirits and deities/gods and goddesses who are also animal spirits with highers roles.
If blessed by a animal spirit the child gains animal features like ears, tails, wings and behavior traits that certain animals are known for depending on what animal they are blessed by.
However if blessed by a deity they gain everything above, also deities have humans forms too, if they bless a child, as the child grows up their body begin to form to resemble the human body of the deity who blessed them.
Deities cannot change hair colour, body colour or gender of a child, so if a girl is blessed by a macho male deity, the girl will gain a similar body while still being female , meaning having body parts that make them female. If a male is blessed by slender baby faced female deity, the male will also gain a body similar while still being a male.
Normally deities will try to only bless children of the same gender to avoid complications in the child's life, but Skye was blessed by a newbie Goddess who didn't know and you can see how Skye looks now.
Deities in Skye world are not immortal, they can't live forever and will eventually die of old age if not already been killed by something or someone else, Deities can either breed with animal or human depending on what form they take, or bless a child which may become a deity if chosen by the higher gods, more about them some other time.
Unlike Skye, Mikoto was blessed by a normal fox spirit, Skye and Mikoto meet for the first time as teenagers, Mikoto works are a bakery that Skye eventually likes to visit often, the too become good friends, at first Mikoto like everyone else first mistakes Skye for a female.
Skye does tell Mikoto that he is actually a male, Mikoto is naturally surprised by this, Skye explain why he's like that, Mikoto is a little jealous that Skye is prettier than her, but this is what starts their love relationship, Mikoto wanted to date a boy but came around to the idea of dating Skye who she for a while thought was a female, finding out Skye was male was what began her really wanting a relationship with him.
Mikoto is extremely faithful to Skye, she never thinks of dumping him, cheating on him or letting talk trash about him behind his back, Skye is the same with Mikoto, the two eventually become intimate with each other leading the two into more of a sexual relationship.
As you may have guessed by now I'm planning my own series, my own story, Skye and Mikoto is the main cannon universe, other universes, alternative time lines will have Skye and Mikoto date other characters.