Tegami Bachi: Letter Bee, Volume 1
by Hiroyuki Asada
In Amberground, a dangerous terrain where a man-made star casts a permanent twilight, young Lag Seeing aspires to become a Letter Bee: a postman entrusted to deliver the hearts of people separated from the ones they love. Summary from Goodreads.
My Monster Secret Vol. 1
by Eiji Masuda
High school student Kuromine Asahi is the kind of guy who literally cannot tell a lie.Whether it’s trying to maintain a poker face in a simple game of cards, or keeping scurrilous gossip to himself, Asahi is a total failure when it comes to the art of deception.
So what happens when he stumbles upon the most shocking secret of his life? When Asahi learns that Shiragami Youko, a beautiful girl of few words, is actually a vampire. Can Asahi possibly keep his lips sealed? Summary from Goodreads.