It's a Vietnamese Doujinshi Manga..
Mikai Yui is a high school girl detective... sort of! She's already 19, but she's on her third repeat of the final year of high school. It seems like people get murdered around her all the time, but she's always excited to declare her expertise and trip over the body. Her "assistant," who she calls "Rinrin," is actually just a classmate (not an assistant or even a friend), who happens to be a lot better at figuring out murder mysteries. Their first murder of the series happens on a school excursion, when a maid finds a man stabbed to death in his hotel room!
From TokyoPop: The “legendary”, “mysterious” aesthetics group at school, known as The Knockout Makers (a.k.a. KOM), accept commissions/requests/jobs, for free, for pretty girls in need with a desire to be beautiful. Through their endeavors to achieve beauty, we learn a little more about their female clients and the trials and tribulations teenage girls must endure.
From Mangaupdates: Misaki's parents are dead, and she lives with her sick uncle, who is now hospitalized, while taking care of her younger sister. Her younger sister notices the family drama around them and feels scared of what is to come. Misaki simply lives, always hoping for the best. A nice, full color oneshot that is somewhat sad.
Two souls are linked by a heirloom rose garden.
Takaki loves ranking the popular and beautiful girls at his school. The one standing at the top is the foreign transfer student Emilia Shutrause, and being a student from Europe, she is extremely popular among the male students at Takaki’s high school. Although he was just a spectator of this school idol, that would change when one day he accidentally bumps into Emily (Emilia’s nickname) and he finds out her secret...
The life of the journey.
From Echochi Scans: Yamada is a cameraman who works at a local TV station. He is asked to film the rumored appearance of a monster at a secret hot spring by the mountain recesses. What is it that he will find over there?
Life is a comedy when seen from afar, and a tragedy when seen up close.
From Seraphic Deviltry: A story told in the form of a monologue by a father who discovers some aspects of his son’s life that are intricately linked to his own hidden past and the experiences he had when he was young…
A down-on-her-luck witch comes home for tea.
From JShoujo Scans: Being a tomboy who loves to get into fights, Ouka's had zero-luck in the love department. The motto she lives by leans more towards "Be Yourself" than "Be Ladylike," and she follows that to a T. But lately, her long time friend Mashima's been on her case about how she should act "more like a girl"...