Almost all the incarnations of female goddesses such as Sita, Rukmini, and Satya etc., have an accompanying male gods Rama, Krishna etc.,
There are many male avatars such as Matsya, Kurma, Vamana, Parasurama etc., without any accompanying female goddesses.
Is there any reason for this?
"... purpose of partial incarnation of Vishnu(Parshurama) was to live life of Brahmachari." Shiva is also a Brahmachari, an ideal one to be precise but circumstances required him to be married and have children so this argument is invalid.
"Then why Lakshmi would have take partial incarnation with Parshurama?" Sita was present on earth to represent the ideal wife. Krishna's wife (or better gf) Rukhmini did not had this purpose yet she incarnated anyway.
– Wikash_ Oct 03 '18 at 22:02