Comedic manga about office workers (?) gets adapted into an OVA by the creator himself.

These gals may be dressed up in flashy clothes and act a little naughty. But when they show you that innocent expression, you won't be able to resist...? This anthology is a gift for guys who want to flirt with free-spirited gals! (Source: Comic Owl, translated) Included Stories: 1. Don’t seduce me, Sakihara-san! (誘惑しないで！咲原さん) (Youhei Kazawa) 2. Kiyokawa-san is definitely a gyaru! (清河さんはどうみてもギャル！) \[saku\] 3. The gyaru childhood friend wants to give a warm welcome! (幼馴染ギャルはもてなしたいっ！) \[Ritsu Urano\] 4. The gyaru likes ramen! (ギャルはラーメンが好き！) \[Hidaridue\] 5. Munching Kanna-chan: A recipe for making gyaru fall in love with you~ (モグモグカンナちゃん～ギャルをオトす愛情レシピ～) \[Kuzuri Noki\] 6. The inexperienced gyaru asks for her teacher’s lessons (未熟なギャルは先生に教えを乞う) (Shoumi Kamon)

In this sequel to Jigoku Sensei Nube, former student Inaba Kyoko has grown up and followed the path to becoming a teacher! Now, she's going to teach 5th grade alongside the teacher who inspired her, Meisuke Nueno, called "Nube." Nube was an exorcist teacher who, with the help of his "demon hand," guided his students safely through many supernatural dangers. Together, they will now get to know their new class, and help them safely through difficulties both supernatural and mundane! (Source: MangaHelpers)

The death of his mother leads to Tomoki living with Murakami-san, the Prime Minister. However Tomoki soon learns that nothing is what it seems, least of all Murakami-san himself. (Source: Bitter Sweet)

Reika isn’t just a high school student; she's also the military’s secret ninja agent. Transferring to Seiou Academy is part of her mission to locate a person of interest. It just so happens to be her sister Michiru, who has gone missing, and finding her is critical to saving the nation. Reika thinks her mission is complete when she meets Aoi who looks identical to Michiru but finds out otherwise. But when she learns about a kidnapping threat meant for Aoi, Reika can’t help but get involved in protecting her classmate. (Source: MangaHelpers)

Ako starts living with her gay brother, Nobuo. Their "sisterhood" is what helps them overcome heartbreak, and find their path in life.

Akira Kurokawa, president of the Kurokawa Group, held derogatory views toward women in power, and would only consider a son to be his successor. However, all of his children were daughters. Akira decides to appoint a son-in-law succeed him, and in order to find the most talented son-in-law, he decides to hold a battle royale with his daughters and their spouses - a battle royale of gambling. Claire Kurokawa, the ninth daughter of the Kurokawa family, asks Sou Shirahagi, a gambler who is so skilled that he wins all the time at casinos, to join her in the battle for the Kurokawa Group as her partner and impromptu couple… Can Sou and Claire win out? (Source: Ultra Jump, translated)

Anthologies included with the special editions of Ueno-san wa Bukiyou.

High scool student Goro who just thought "I want to get close to Kotone senpai who I love", visited an island where violent murderers from all over the world had been gathered. Can he and Kotone survive the Island?

*Note: Includes 4 extra chapters.*

A hardworking high school boy, Tsutomu Kariya's secret hobby is to scour social networking sites for erotic photos of girls. He is especially fond of a girl named “RIKA,” a JK with big tits, who he worships like a goddess. One day, Tsutomu accidentally saves Mariya Rikka, the most beautiful girl in his class, from an incident. In the process, he finds out the “secret” that Marika has been hiding from everyone. Then, for some reason, Marika suddenly approaches Tsutomu and reveals herself to him in a way that he couldn't have expected...? A secret-sharing romantic comedy that about the naughty "secret account" of the class idol! (Source: Kadokawa, translated)