There Is a World of Immortality in My Body

In order to avenge his parents, Lin Mo kept training day and night, and never failed in his mission. After finally killing his enemy, he fell unconscious from a tall building due to an accident. Later, Lin Mo gradually regained consciousness. When he woke up, he found himself in a cell with a little loli next to him? My body has... Become smaller? After Lin Mo's unremitting efforts, he escaped with the little Lolita, but found that he was no longer on the earth. How should he survive in this alien world where source beasts are rampant and the strong are respected?