Watched the first episode of space brothers awhile ago, its going to be really interesting, thought i still have doubts about the older brother's 'perv' side, since I hate that type of sides.
Looking forward to zetman, phi brain s2, korewa zombie desu ka?, also the scryed movie.
As for...
what rikki said.
If you are really into the manhwa and you really like to read it, then you will easily memorize them, also language you being French, ofc you wouldn't get let's say, Saudi Arabia's style of naming. Each has its own culture and own history.
Too overpowered, and he loses the powers, after that they came back... I mean, really ? You can clearly see that they wanted to make it more longer even tho its in its final arc atm, but still.. they could have done better.