The story of the girls who met at Okinawa's sea.
Amane who invites her neighbor living next door Sango to the sea.
While bringing about a stormy mood, the two of them also head for the sea today!

Nanako is an athletic and free-spirited girl that excels in every sport she does. Many of the sports groups at her school request her assistance at important matches. Where she excels the most is when she finds herself in a bind that will strip her of her clothes, while Keisuke Kawara ogles. You would think Kawara is the luckiest boy alive until you see the end result of Nanako's "accidents."

Note: Included in Vol.2: Daibouken Hitomi-chan.

Issa Kinishi, a young man who worries and concerns himself too much over many different things, and spends his life being harmless and inoffensive.

One day he meets a beautiful, tanned enigmatic young woman. This young woman uses a smartphone with a cracked screen, goes into restaurants without caring about their online ratings, and makes curry without caring about the stains she gets on her clothes. She weighs on Issa's mind so much that he accidentally starts stalking her.

Private Sumimoto school. In this school, the girls who manipulated the black flames fought every day and raised themselves.
The main character, Suzushiro Rintarou, who has been transferred to the high school, has been involved in their fight from the first day !? A full-fledged school battle that everyone wants, shaking the chest filled with black flames and girls' dreams, Opening!

A wacky-loser comedy about Lord Belial, one of the Four Heavenly Generals.

The world has been brought to a near-apocalyptic state by a mysterious virus that turns people into zombies. But thankfully we’ve found the only method to keep the zombies at bay, and that is… Having sex…

Welcome to this new survival love-action adventure!!

An ancient race of monsters who can assume human form called the Grongi begin to murder humans in Tokyo after being awakened. The only one who can match their power is a young adventurer named Godai Yuusuke, who gains the power of Kuuga after its previous bearer passes its power to him.

When her mother passed away at a young age, Saeki Makoto was given the power to see Gintaro, one of the gods’ agents that have been protecting the small Inari temple since the Edo era. As only one person of the family can see the fox spirit, Gintaro, naturally as the only blood relative, when her mother passed on, Makoto inherited the sole power to talk to and see him. Although they have their differences, Makoto, with the help of Gintaro’s power, help the people of their community deal and solve their problems.

The meeting between a normal boy and a witch liberates the world from its curse...

I'm a magic apprentice. "My master," who has been living under this same run-down roof with me, is a shut-in girl who proclaimed herself to be a great witch. Despite sounding all high-and-mighty, my defenseless master loves to watch her disciple cooking for her. Our daily lives, filled with happiness, go by quietly. However, little did I know that behind that quiet, happy daily life is a terrible secret that involves the fate of the world...

M60-toting Kenji Hado, known as "the Hard", pays his divorce bills by working in the US as a bounty hunter. Masseria, a ruthless and ambitious mafia boss, targets his family - starting with the Hard's father-in-law, a Don in the NY mafia. Hard's aim, while poor when sober, becomes extremely accurate when drunk!

Note: The short story N.Y. Dust, in volume 12 of Riki-Oh, was the prototype for The Hard.

'I', along with that girl, 'me' and that girl's 'Mama'. An early afternoon in summer on a listless day, the relationship between 'I' and 'Mama' started with the scent of her breasts dewed with sweat. A passionate and erotic story by Tsuyatsuya about love triangle involving both mother and daughter!

Hamaji Youhei, a freshman in high school, lives his life aimlessly, lazing around all day. He can't keep up with his studies, no good at sports and won't stick with anything for long. Besides that he's a pervert who's continuously rejected by girls. A sophomore convinces him into joining a club where he could lunge at girls, fondling and touching all he wanted. Thus he joined the Water Polo Club. Can Youhei, who never sticks with anything for long, find his place in this club?

Male nursery teacher "T-sensei" shares the often comedic experiences of his life taking care of children.

Shimizu Kenta's high school life changed when he was seduced by Aoi Riku as a joke who then proceeded to bully him mercilessly. However, a messenger from hell named Beatrice came and gave him a choker so that he can dominate sinful women as an executor.

From MangaHelpers:
In high school, Maki Eiji was a delinquent, often skipping class and getting into fights. One girl, Chino Kotoha, was kind to him, until she was targeted by delinquents due to their apparent relationship. Suffering their attack seemed to have permanently changed her for the worse.
Years later, when Eiji sees her again, he is overcome with guilt and regret. To his surprise, a mysterious scantily-clad woman suddenly appears, claiming she can send him back in time to make everything right! He takes her up on the offer, but things are not as simple as they may have seemed back then. It turns out that Kotoha had her own painful secrets in those days, and Eiji may not be the only one traveling in time to change the past.

Touya, a boy whose face was too scary, was enthusiastic about Inami-san, the most popular girl in the school, But she had a dark side....!!

Yoseob, normally very quiet and composed, is in the police station convicted of stabbing 8 civilians with a knife. Everyone's wondering whether he actually committed the crime. Does he, a mere high-schooler, really have any reason to have done such a horrifying act? Does his obsessive love for his older brother, Jaeha, have something to do with it?

Shiba, a college student with a communicative disorder, has been reading rumors circulating on Internet forums about women 'clones', which look like a human, but are not actually a human! Instead they are perfectly obedient to their owner's orders and fulfill every desire! This should have been hastily dismissed as an urban legend but then an incident started when Shiba was hospitalized after an accident...

Ajafuji Sara transferred to the private Fujigamine Academy. She suffers from extreme blushing and dreamed of making friends at the academy and having an "ordinary student life". However, having met at the scene, Kazari Iris set her eyes on her. Will her dream crumble away?

This story starts after events in Episode G.