Nagi Miyazaki hasn't been able to showcase his talent as a mangaka. On top of that, his editor recently changed. After returning home one day, Nagi, depressed, opened his door to find... a beautiful, dark brown woman in her underwear?! (Source: Kadokawa, translated) *Note: Includes 2 extra chapters.*

In the tradition, it is only the strongest women that can rule this kingdom. The battle that decides the strongest woman done once every four years. This battle is called Queen's Blade.

Adventurer Might lost his life while defeating an evil dragon. However, he was brought back to life by the blessing of a goddess who heard the wishes of the companions who saved the world together. Furthermore, due to Might's own wish, his class changed from Thief to the Sage he had always admired! When Might, who returned to Level 1 as compensation for changing his class, heads to the beginners' guild, he finds 'a group of girls in a beginner party' arguing about something...? The second-life adventurer's harem fantasy begins!

A very mediocre junior high school sophomore Teru Hoshino was bullied by Amamiya, his childhood friend and famous at school for her big breasts. Despite the playful bullying now, his life has been fairly normal as far as he remembers. However, things start to change disturbingly, with Amamiya that not even he understands and his normal everyday life takes a dark turn that he never expected. Source: MAL

A snapshot of a pair of twins. One's a ditzy, big-boobed oneechan, while one is a typical younger twin otouto. Ecchi ensures.

It happened after school one rainy day... A group of friends have stayed behind to prepare for the next day’s school festival. One moment they are idly telling ghost stories but the next an enormous earthquake strikes and the entire school seems to fall down around them. They awake to find themselves trapped in a parallel version of their school. As school abandoned and disheveled and whose calendar dates back to 1927. Can they find a way out of this nightmare or are they doomed to the same fate that befell the other victims whose corpses that lie numerous throughout the school? Note: Chapter counts contains an extra chapter and an origin chapter.

The story is exactly the same as the title! "The Story of a High School Girl That Wants to Engage in Sugar Mama Activities With a Middle School Boy."

\[I want power. The power to protect the things important to me. The power to prevent them from being taken away.\] I was reincarnated as the villainous aristocrat, Vanitas, and decided to defy my destined destruction. By using the absolute power of Domination Magic, I will protect the heroines who were originally meant to be taken away, and push forward on my path to the top of the magical world. A Villainous Aristocrat x Harem fantasy that defies a doomed fate! (Source: Kadokawa, translated)

After being transferred to another world, Hiroyuki defeats his opponents, whether they are humans or demons, and lives at his own pace, just as he does in the present world. In this world of swords and magic, Hiroyuki's warriors continue! (Translation note: Hiroyuki Nishimura is a self-help author and television personality who is best known for founding 2channel, one of Japan’s big anonymous message boards. You may know of its western equivalent 4chan, which he bought in 2015.)

I, Keita Majima, a normal high school student, was unexpectedly hired as part-timer at the game company of my dreams! My job was to be the "big brother for hire," here to help them create...... the ultimate sister character. It's the start of a comedy about a secret brother-sister contract! (Source: ComicWalker, translated)

Nishino Gokyou, the dull faced highschooler in the middle of the school caste, and the one with the greatest abilities in the neighborhood. While caring about his appearance, he spends everyday burying himself in his work that makes use of his ability. He has deemed this life of solitude as acceptable. However, those days would not last. The fall of his second year, the virgin recognized the preciousness of youth through the culture festival. He learned of the importance of friendship with the opposite sex. With this, that boy Nishino decides to turn over a new leaf from the simple life he had, along with revising his attitude towards his everyday life, and in order to make a wonderful girlfriend to enjoy his highschool time, he uses every means in his disposal to struggle up the school caste, but the chance of climbing doesn’t look great, this is a, what do you call it, a hard-boiled story (Along with superpowered battles) *Includes chapter 0 and 3 bonus chapters.*