An anthology comic of Slow Start by various mangaka.

Since ancient times, our world has contained many inhuman creatures hidden amongst us. They call themselves Shapeshifters! Their elites formed an organization to ensure that humans would not find them. However, what the Shapeshifters don't know is that now... there is a human hidden amongst them! (Source: Kuaikan, translated)

Himari is a writer who hasn't been able to produce a hit work. One day, because of some strange circumstances, Hodaka, a handsome but mysterious boy, came to live with her. Then there's her newly assigned editor, Kuga, who had asked her to try writing a romance novel, and coincidentally, he just moved next door to her! A romantically inexperienced writer, an editor who is actually super shy, and an airheaded younger man who tends to act before he thinks. This is the start of Himari's awkward but thrilling days with two gorgeous men. (Source: Kodansha, translated)

“And there is the flag!” So says Flag-chan, a Shinigami that suddenly appears in front of the average Joe, Mobuo. It’s her job to collect the lives of those who have set up a so-called Death Flag, an action or statement that has sealed their lives and brought them onto the path of death. However, little Flag-chan isn’t all too great at her job, so she accidentally helps Mobuo get rid of his Death Flag?! And not only that but even the Angel Life Flag-san and Love Flag get involved in the chaos?! Will Mobuo be able to survive this predicament that aims to set his passing in stone? Source: NU

An anthology about the terrible editors in the manga industry.