Migi & Dali
Two twin brothers pretend to be one to uncover the mystery behind their mother's murder.
Vanitas no Shuki
The memoirs of a vampire, Noé, and how he killed Vanitas. SO MUCH Pandora Hearts vibes and I just adore it! Seriously, Jeanne, Noé, and Vanitas' dynamic pretty much match Alice, Gilbert, and Oz. The story is interesting and the art is lovely, as always. Plus Vanitas and Noé's relationship development is amazing (sadly nothing romantic ;_;) and I want the best for both <3
Shin'ai naru Boku e Satsui wo komete
Read the tags. It's a really good read with lots of twists and turns. The ending is nice, with a touch of bittersweetness, but it still wraps everything up perfectly.
Change the World (KANZAKI Yuuya)
One of my favorites. It had a really satisfying ending, and I like how the main character actually became tolerable instead of staying a pathetic NEET.
Watashi no Otto wa Reitouko ni Nemutte Iru
After murdering her husband, he appears to her the next day (despite his corpse still being dead). It's basically a loop at the end and I can't believe she murdered Sou too (though he could have been Ryou pretending to be Sou. Mind melting) :(
Mayonaka no X Giten