Abiitsexual is a sexuality where you used to be allosexual, but for no reason, your sexual attraction faded.
Different from caedsexual and erassexual because caedsexual is due to trauma, and erassexual is due to neurodivergency, but Abiitsexual has no exact reason as to why sexual attraction disappeared.
Romantic version is abiitromantic.
Aroace version is abiitaroace
History
The term and flag were coined by reddit user u/snail-kat on [1].