The Big O, Kaiketsu Jouki Tanteidan Recommendations

The Big O
If you liked
The Big O
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Kaiketsu Jouki Tanteidan
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Kaiketsu Jouki Tanteidan
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Both series have mechs except that Big O is bigger. Both main characters have butlers and female assistants. Both have a noir atmosphere.
report Recommended by xxxholic_wing
Retro feeling, steampunk\dieselpunk world, crime and detectives, giant robots battling. big o is better though, but steam detectives is also good for all steampunk\dieselpunk lovers
report Recommended by SuperSamos