Zongheng Comprehensive Manga, Starting from Demon Slayer

Time travel + system + comprehensive comic + dark and funny comedy! After Jiang Beikong traveled through time as a demon of the new era, a system appeared in his mind that could take him to invade other worlds. Demon Slayer World (Ended!), One Man World, Bleach World, One Piece World, Dragon Ball World, Hogwarts... The infinite world has infinite adventures, infinite opportunities, and the chance to leave your own legend! Facing a powerful enemy, Jiang Beikong held the Wangzai milk extracted by the system... What's the trick? Is it just a matter of extracting Wangzai milk, or is it pirated? Jiang Beikong was... A little panicked!