Bellussexual is a sexual orientation on the asexual spectrum defined one who has interest in certain sexual actions, the aesthetic of sexual relationships, and/or aspects of sexual relationships, but does not feel sexual attraction, and does not want a sexual relationship. Bellussexuality is a micro-label under the umbrella of asexuality.
The romantic counterpart to bellussexual is bellusromantic.
Etymology
The prefix bellus- comes from the Latin adjective bellus, meaning "pretty".