Really short like 4 pages

The manga is set at a school named the Virgin Mary Girls Academy, where Itsumi Shiraishi, the beautiful daughter of the school's director, recently died. Whether the death was an accident, a suicide, or a murder remains a mystery, known only to the lily that Itsumi clutched in her hand as she died. Rumors begin to circulate that the members of the literature club that Itsumi supervised were responsible for her death. With leadership of the club transferring to Sayuri Sumikawa, the club members continue their practice of reading short stories they wrote to each other. One week, they meet to read stories with theme of "Itsumi Shiraishi's death," with each of the five members intent on using their own story to discover who among them murdered Itsumi. (Source: Anime News Network)

A short story of Yamato's parents and Yukio's dad. *Note: Released at J.GARDEN 45.*

In his second year of high school, Sudo Minato becomes a member of the public morals committee, just like last year. He is determined to correct public morals again, when he meets his classmate Aika Himemiya. Sudo points out her short skirt, open chest, and brown hair, all of which defies public morals, but as he gets to know her, his heart begins to change...

Graduation was approaching next week, but Tamiko Komachi, nicknamed Tarmy, kept failing job interviews because of her huge body. The homeroom teacher, who tried everything, found the one place where she was likely to be hired: women's professional wrestling! A huge body that can be seen as strange becomes a strong attraction in the professional wrestling world. Komachi was reluctant, but she decided to enter the world of professional wrestling after seeing the echoes of the words of the world's super idol stars that his coach told her, and seeing Princess Maki in a live match. Tarmy's legend begins now! (Source: Group Zero, translated)

One day, Miwa, a hard-working office lady, happens to run into Kudo-kun, a boy she liked in high school! Kudo-kun is working at a childcare center and seems to be having a lot of fun at his job. Miwa, who is stressed out with work, unintentionally blurts out “I wish I could be a kid again..." and Kudo-kun unexpectedly gives her the OK, telling her “We can make it like a game of pretend!" A serious office lady and a doting babysitter experience the forbidden thrill of baby love! (Source: Kodansha, translated)

It's the time of the Pacific War. What harsh conditions awaited military doctor Hisato, who went to Burma where the front lines were intensifying? This is a survival medical war story that unfolds on another front line where no guns are held! (Source: Tonari no Young Jump, translated)

The only way to repent for this “crime” is death. When Manaka, a girl with a strong sense of justice, transfers to a new school, she finds out about a crazy rule in her class: everyone in the class is forced to join a chat room. Every time there's some conflict, a “class trial” is held there. The student who loses in the trial is made the target of fierce bullying from the next day. A story of love and hatred amongst young people. (Source: Kurage Bunch, translated)

In an ideal world where man and robots coexist, someone or something has destroyed the powerful Swiss robot Mont Blanc. Elsewhere a key figure in a robot rights group is murdered. The two incidents appear to be unrelated...except for one very conspicuous clue - the bodies of both victims have been fashioned into some sort of bizarre collage complete with makeshift horns placed by the victims' heads. Interpol assigns robot detective Gesicht to this most strange and complex case - and he eventually discovers that he too, as one of the seven great robots of the world, is one of the targets. (Source: VIZ Media)