In 1998 an action rpg was developed for sony playstation. Wikipedia states that it was based on a manga called "Kros". The thing is I've been searching for it in Google and there is no information whatsoever. Nothing, literally nothing. Any suggestions about where to search for it's plot etc? Even a Japanese site would be fine in worst case scenario. Thank you.

Huh, I did a little looking myself and this Kros manga seems rather enigmatic doesn't it? It could be the manga has never made it to English ears or that the name they quoted is not the main name it can be found under. Being that the game came out in 1998, it's clearly an older manga which tend to get less attention from the West. They didn't give all that much info to begin with.

Your best bet would be to scour the game's credits. If it was indeed based off of a manga, they would have to include that there, along with it's author. Once you have that, you should have an easier time hunting it down.

Thanks anyway.I checked seriously everywhere. I found the credits on some websites which I won't report due to the fact I don't know bakaupdate's policy. Nothing related is reported. Sigh, I think wikipedia is trolling me. Funny thing a guy posted the same question 3 years ago in another website and has 0 replies. Something is going wrong here...