This show is completely free of any fanservice, subtle or otherwise.

None.

Brief and mild exchanges between the human main character and some hostile robots. Missiles, lasers, and bullets are exchanged during these brief conflicts. Blood and injury detail are never shown.

A character blows up after accidentally setting off a trap. The character is instantly enveloped in smoke, so the actual death and detail is never seen.

Some implied violence. Guns are drawn and explosions are seen, but no impact or gore is shown.