An "if" story with Hibiki Tsukahara as the main character.

Kiichi and Tsukasa have been best friends for practically forever. They’re always with each other, commuting to and from school by bike, laughing, fighting, watching movies ’til really late, and now, trying out for the basketball team. In fact, they’re around each other so much that a lot of people think they’re going out with each other. What a laugh! Kiichi can’t really think of Tsukasa as a girl… but then a cute new transfer student sets her sights on Kiichi and Tsukasa seems to have caught the attention of the captain of the boys’ basketball team… Life changes, and friends grow up.

Stella Crowley, a frail young lady with only a short time left to live, was about to have her home taken over by her stepmother and stepsister. But just before death, the sudden appearance of the Grim Reaper, Levi, led her to make a “contract to extend her life by three years”! The price for this extension? Entertaining him, and the method of sealing the contract was, unbelievably... a kiss!? Driven solely by her desire to find a trustworthy husband within her limited time, bear a child, and protect the Crowley Marquis family, Stella threw herself into marriage hunting. But for some reason, the Grim Reaper Levi kept interfering—!? Then her childhood friend knight and the Third Prince started pursuing her too…!? But none of them meet the criteria…! A time-limited love story woven by a young lady with a life sentence and a Grim Reaper guy, beginning with a kiss! (Source: SORAJIMA, translated)

The protagonist, wandering the martial arts world carrying the secret of the red dot, enters Gaebong through a chance encounter with a legendary figure. His master, who had taught him absolute martial arts, dies mysteriously. With the death of his mentor, a pillar of the Gaebong faction, the Gaebong faction gradually declines. The protagonist decides to leave Gaebong to investigate his master's death and create a new Gaebong that will not be ignored. (Source: Naver, translated)

Spin Off for Vector Case File.

Saegusa, who retired from idolry when she went to high school, is good-looking and intelligent. She is always cheerful and friendly, and is the most popular person at school. Takuya, however, knows a certain side of the highbrow Miss Saegusa. Today, too, a suspicious-looking woman in a dubious disguise appears at the convenience store where he works part-time. She is, in all likelihood, that Saegusa-san...?

Amano Mizuna, 19-years-old. Likes cute little things, but she's not very good with animals. One night, a stray dog who jumped in front of her, caused her to fall off her bike. But unlike before, this dog captivated her....?!

Asahara Yuu attends a private high school for the fine arts. Her parents are professional musicians and she herself is a good pianist. With her talent and looks, everything has come easy for her, but when her parents force her to live in the school dorms with the visual art students while they are away for the year, things take a very sharp turn... Note: Vol. 3 of this series also contains a one-shot titled "Gozen Oji no Saishuu Ressha" about a guy photographer who is wondering whether it is finally time to end it with his girlfriend of many years, when he suddenly meets another young girl on a trip up north.

Umi, who had been in an accident in her second year of high school, awoke from a deep sleep for the first time in 16 years. There she finds her parents a little older than she remembered them, and a younger sister who is the same age as she was before she fell asleep. She is welcomed into a strange house with no recollection of her past, and soon realizes that her parents are trying to hide the truth about the accident from her. Why? As she tries to recover her faint memories, fragments of her past gradually come back to her... The past and the present come together in this shocking suspense between the two sisters!