The Male Supporting Character Quits (Quick Transmigration)

The interstellar research genius Fang Qirui has an accident in the middle of an experiment and gets bound to a male side character System. His goal is to live to a natural death. Once he completes his missions, he can be reborn and finish his experiment. Then he becomes a male side character in all kinds of worlds. The terrible cousin of an ancient-era lucky female lead. The former fiance publicly humiliated after the female lead breaks off their engagement. A Phoenix Man in the 1960s. The childhood friend secretly in love with the female lead in a school romance. The biological brother of a fake heiress. A researcher in an apocalyptic laboratory. The neighbor and foil to a three-and-a-half-year-old movie star's daughter. The real young master who was deliberately switched at birth. A young general whose face was disfigured. ... (That's all I can think of for now.) The big shot Fang focuses entirely on studying, and as he learns, he changes his fate... Knowledge is power. A feel-good power fantasy! Theme: Learning can change a tragic fate.