Dragon Ball: I became Cell at the beginning?

Story of: Dragon Ball: I became Cell at the beginning?

No heroine, no saint, the hero is Cell. At the beginning, he traveled to the future embryonic Cell, but for some unknown reason, he turned into an adult in advance, and observed Trunks, Son Gohan, Ten and Eighteen's every move from behind. In 778 A.I., he devoured the powerful energy in the body of the dead Son Gohan. He helped Trunks, cooperated, solved the androids, and then completed the perfect body, mastered instant movement, proposed the idea of ​​a time machine, searched for Namek, made a wish for the Dragon Ball, got the power to make the Dragon Ball, resurrected the Z Warriors, came to the past, and jumped back and forth.