The frayflexible flag[1]
Frayflexibility (shortened to frayflex) describes someone who is predominantly or primarily fraysexual, but flexible in this identity or attraction.
Frayseflexible may be used specifically for being flexibly fraysexual, while frayflexible may be used to encompass any flexibly fray- (frayromantic/frayro, frayplatonic/fraypl, fraysensual, etc).