Journey to All Worlds: the Dragon Traveling Around the Worlds

[No heroine + System + Devouring flow + Secondary Dragon + Making trouble while distorting the plot + Neurosis in the mid-term and madness in the later stage] A secondary dragon with a system that travels through various worlds and becomes stronger through devouring and does not grow up. There are niches in the world. (The protagonist is a chuunibyou who is very neurotic in the later stage, but he does not go crazy on his own, probably) (Explanation before reading for details) [Very important: Please pay attention to what the author says! Because I may include some original comic pictures] (Note: The world in this book may be different from what you imagine) [Key point: The author's mental state is sometimes poor] Current world: 1. Legendary Monster Universe - King of Monsters 2. One Piece & The Prisoner of Food (playing with super mechanism,) 3.? ? ? (Guess it) (The super mechanism is suppressed..., But it doesn't matter, the normal mechanism and super values will take care of everything) 4.