Well, 'Shadow's Descent' might be what you're looking for. It shares some emotional depth and complex character arcs with Suicide Boy. Both explore the darker sides of human nature.
The comments on 'Suicide Boy' manhwa are quite diverse. Some people find it deeply moving, while others think it's too dark and disturbing.
I'd recommend 'The God of High School' as it has similar action-packed elements and unique character developments like 'SSS Class Suicide Hunter'.
One manhwa that could be similar to Pearl Boy is 'Moonlight Garden'. It shares some similar themes and art styles.
There are several, like 'The Breaker' which shares similar action and adventure elements.
The 'suicide boy' manhwa might deal with the dark and complex topic of suicide and the internal struggles of the main character. It could explore the reasons behind such thoughts and the potential for finding hope and redemption.
Well, 'Tokyo Ghoul' could be similar in terms of its dark and intense themes. The characters face similar struggles and inner conflicts.
Maybe 'Tokyo Ghoul' could be somewhat similar. They both have dark and complex storylines and deal with characters facing challenging circumstances.
I'm not sure I know of any manga that are exactly like 'Suicide Boy' in those aspects. But you might want to check out some darker-themed manga like 'Death Note' or 'Tokyo Ghoul'.
Maybe 'Death Note' could be somewhat similar. They both have elements of mystery and complex characters.
I'd recommend 'Tokyo Ghoul'. It has a similar dark and intense atmosphere as Suicide Island.