Multi-fiber optical connector and optical connection structure

A multi-fiber optical connector that is inserted into an adapter, the multi-fiber optical connector comprising:

• a ferrule that includes a connection end provided with a connection end surface, a base end located on a side opposite to the connection end, and a plurality of fiber holes through which a plurality of optical fibers are insertable toward the connection end surface;
• a first member that is disposed to face the base end of the ferrule in a longitudinal direction in which the fiber holes extend;
• a biasing member that is disposed between the first member and the ferrule in the longitudinal direction, and biases the ferrule toward the connection end;
• and
• a spring push that presses the first member toward the connection end via rotational movement.