Pi is a constant that defines a circle. It is never-ending, and to Sawaki Yumeto, it is a majestic number that has a direct relationship to his other favorite thing, boobs. One day, he realizes that there is a mystic relationship between pi and the perfect breasts. He conducted research and did calculations to determine what the perfect breasts are but he needed more raw data. Yumeto used to be unpopular and ugly, but to further his quest, he shed blood, sweat and tears to change his appearance and style to that of a handsome young man. When Tamura Jun, a classmate that has been absent for the majority of the school year, returns, Yumeto realizes that she might have the perfect boobs that he has been searching for. But getting to them is going to be harder than he could possibly imagine. (Source: MU)

As summer approaches, Eita visits the hospital regularly to see Koaki, his girlfriend. Koaki, who has always been sick, feels guilty about not being capable of having a more physical relationship. He then meets her cousin Kasumi, who has a similar vibe to Koaki, and so Eita's heart wavers...

A murderous intent without form attacks the yakuza! In the declining yakuza society, the elites bridge the barriers between their organizations and hold a meeting to decide how they will survive as yakuza. In the midst of their excitement, the footsteps of an invisible pair draw closer, bringing the stench of violence with them...

Mahoro Harukana moves to Tokio to achieve the dream of becoming an Idol. In order to do this, Mahoro will assist to the National Entretainment and Music School in Kamisaka. Everything goes surprisinly well, being great at singing and dancing, and even her teammates are astonished by her talent. The only problem is that... Mahoro is actually a boy, and a boy who wants to become The King of the Idols!

Fushimatsu-kun is an unpopular high school boy who tends to backfire everything he does. The cause of which is due to the mismanagement of the angel Kyupiko, who fell from the sky one day... Thus begins this fast-paced harem story.

Makoto, a young boy who befriends an enthusiastic, living ball of yarn named Gonjiro. Thanks to the properties of his wooly body, Gonjiro has the ability to "fit" and "transform", and he uses his powers to resolve all sorts of incidents. The series is described as "an unprecedented hairball comedy that will wind its way around your heart". (Source: AniList)

In a world where people suddenly developed super-powers, those who used their abilities to do evil are held at Catastrophe Prison. Shu Ono, a guard at the prison, somehow fell in love with the strongest female prisoner Lava! A crazy love-comedy about the forbidden relationship between guard and prisoner! (Source: Ura Sunday, translated)

As children, twins Umi and Sora became acquainted with a four-year old Beniko. Years later, Umi has moved away, and Sora confessed to Beniko that he'll propose to her when she turns 18. But when Sora dies in a traffic accident, why does Umi appear before Beniko looking and acting just like Sora?

A little ecchi love-comedy between an apparition onee-san and a human shota-ish. Yuuki Kuwahara, decided to live alone at his father 's parent's house when he entered high school. He move there with the hope of once again meeting the person he met when he was a child. However, in the house where nobody was supposed to be living in, an unexpected welcome awaited Yuuki. *Note: Includes a bonus chapter.*

A secret first love with his long admired senpai. Even if it didn't bear fruit, it still became a cherished sweet and sour memory for him, or at least that's what should have happened. "I want to make you mine at any cost." This warped affection in the boy's heart continued to blossom a pitch black. The faint love he held dear to his heart, eventually transformed into something else entirely... With their endless cycle of love and hate, and toying with each other's hearts, exactly where will this boy and girl end up!?

A jealousy issue between a guy and his girl. A tough love relationship results in pile up problems…. we wanted our first love to survive all trials….. but this is impossible!! The most spectacular, make-up with first boyfriend for good love story! *Note: Chapter count includes 28 regular chapters and 1 extra.*

Year XXXX A.D.. In this apocalyptic world ruled by a "God," humans live as if crawling on the ground. The human race has dwindled to a few people, but in the midst of all this, Kasago blindly believes in "God" and engages in the "civilization recovery" business, taking civilization away from humans as he is commanded to do. On the other hand, Mebaru, which Kasago met on the way to work, did not even try to hide his suspicion of "God". Kasago is looking for his parents, while Mebaru is looking for her parents' enemies. They continue their journey of retrieval while coming into contact with "civilization"... A mysterious apocalyptic travelogue of the near future!! [Original Web Manga](https://www.sunday-webry.com/episode/3270375685316126177)