Manga by author Youn In-Wan

Adapted from the oneshot Akuma Bengoshi Kukabara, Mephisto Bart Kucabara is a devil lawyer. In order to return to the demon world that he was exiled from he needs to collect enough Dark Matter. To do so he creates a plan to claim the Dark Matter from the souls of sinners sentenced to hell. Prove the soul's innocence and the Dark Matter becomes his.But how can he gather enough Dark Matter when his kind personality causes him to continually use it up in order to defend the soul from the Shinigami that has come to take them to hell?

From etc:Based on historical setting of Korea during the Josun Age. Long ago, in Jushin, secret royal inspectors named "Angyo Onshi" wandered the country and restored the order. But now that Jushin is destroyed, only one is still wandering...

Read Manhwa Jungle JuiceJang Suchan is an extraordinary college student at the top of the social food chain. But underneath the perfect faade, he hides a pair of insect wings that suddenly grew when he used a mysterious bug spray called "Jungle Juice." Suchan's life crumbles when he bares his wings to the world to save someone's life. When all hope seems lost, Suchan stumbles upon a hidden world of insect humans where everyone is accepted for what they are.But the law of the jungle governs this secret society and all must fend for themselves in order to survive.