"I want to have sex with you, nii-chan."
That one sentence from my younger brother made my - Ichinose Chihiro's - life do a complete 180.

Chikage and I are brothers that get along well.
It's been a few years since I started to live together in Tokyo with my responsible younger brother, who is also a mangaka.
Is this a punishment to me for relaxing into this comfortable lifestyle?!
While I'm stupefied by the sudden declaration of "wanting to have sex," my younger brother approaches closer.
Even if he needs it as a reference for his work, w-we shouldn't do such things-!!
But if it's my cute little brother that's pleading me so desperately, I might... just give in... maybe...
What should I do?!

This is a perverted scramble of a battle under one roof!

From MangaHelpers:
Haruki is a teenage boy who has two friends that are not very ordinary. Ayana has been transformed to be part dog, as shown by her dog ears and tail. Ayana also has enormous lactating breasts. Airi, on the other hand, is a cyborg girl, and she's got tons of mechanical gadgets. The story begins when Ayana and Airi both want Haruki to join their club, and Haruki must pick one over the other. Ayana's science club has more to do with transforming living things, whereas Airi's has to do with more mechanical science. Their attempts to persuade Haruki to their side tend to be full of nudity and sexual arousal. Haruki is going to have a bizarre school life.

The 4-koma comedy is back, and this time around Gorou's crush on his sadistic, older stepsister Haru has reached the stage where openly sexual innuendos have become part of their everyday life.
The pair's "peaceful" days would have continued if only it weren't for Haru's cousin Aoi-chan and her younger sister-like existence.

Mahiru came to the woods when a beast appeared before him. To his shock, it became a human figure whose name is Kataragi. Thus, the start of a sudden love story of wonder and fascination.

What if you could become young again? What will this young teacher do when this spirit offers her the ability to become a child again and live her love with her young pupil? What must she sacrifice to feel love for the very first time?

From Decadence:

This manga is a love comedy collection of oneshots about how mysterious meetings can lead to falling in love before you even realize it! These stories will be sure to make laugh and cry at times.

Volume One includes...
-The mysterious NEET owner who appears every evening from the floor above.
-The husband who struggles to support the love that has come to visit his wife
-The strange businessman who has purchased a gravestone for his final resting place?!
-The little brother who suddenly appeared in the room of someone living alone...

SUZUKI Matsuri is riding the train to school one morning when she feels the unpleasant slide of a stranger’s fingers on her rear. Not one to be bashful, Matsuri turns and decks the guy behind her, yelling at him and accusing him of being a pervert. Unfortunately for Matsuri, she hits the wrong guy! Her victim is a young man named SUMERAGAWA Omi. He is rich. I mean…. REALLY rich. Ridiculously rich. He chose to ride the train that morning after one of his cars had engine trouble and he didn’t want to bother waiting for another car to be brought around. Of course it wasn’t Omi who had his hand on Matsuri’s behind, and when she realizes this, she apologizes profusely. Omi is not the type to let her off that easily, however. He decides that he likes Matsuri’s outgoing personality and sass, and he wants her… for his bride!

Nara has lived with her friend for a long time, they have a strange relationship that others do not understand, and maybe not even them. Together they try to figure out what kind of relationship they want to have.

Haruya goes to an art college while working as a popular gay prostitute. He doesn't realize it, but he's in love with his best friend since junior high and classmate Kazushi! However, his shameful feelings must remain a secret. Haruya continues to work while in denial about his feelings, until one day, he witnesses Kazushi doing something unbelievable!! After much consideration, Haruya takes action...... Admire the pure (!?) love and the confident eroticism between an emotionless art student and a gay prostitute. This is Owal's first full-length manga. A love-filled, previously-unpublished chapter is included!!

NOTE: ''The Trials of Snow White'', which is included in this manga, has also been published separately as a stand-alone story.

from Renta!

Sennosuke, an average high-schooler, takes care of his father's childhood friend Momosuke. Childish and hapless, Momosuke is a gay man who used to have a crush on Sennosuke's father, and now, Sennosuke suspects that Momosuke has fallen for him. But Momo, who's almost a family member, won't make a move on him, right...?

Fuka is crazy about Haruka, her senior whom she loved at first sight. It is said, however, that Haruka is cursed by Fate, and if he had sex, he could break the spell. Is it true, Haruka!? Includes: Spiritual Knight Saito Kaichou O Te Yawaraka ni

Kotohira Sakiko is a fujoshi who immerses herself in BL drama while riding the train to work. She especially likes Reiji-sama, a seme character in a BL relationship in a popular drama named "Playing with Fire in the Labyrinth." At work, she's careful to hide this predilection until the she accidentally runs into the company president's son, Utatsu Masayuki, and passes out. Upon waking, she discovers that this perfect man looks just like her Reiji-sama and calls him out with the seme character's name!

Utatsu on his part is secretly terrified because he has always had problems dealing with women who predatorily target him for his looks and his wealth. Surely, he thinks, that Sakiko is a harmless pure maiden perfect for him to graduate his virgin status...

So a strange relationship starts where Sakiko thinks Utatsu will dress up in Reiji-sama cosplay and act out her BL fantasies, and Utatsu thinking that Sakiko is the answer to his fear of women.

A short oneshot about the love between a young girl and her senpai at an all-girls school.

This Boukun Fanbook is a book that explains in detail what happened between the 2nd and 3rd chapters of the 5th manga “Koisuru Boukun.”

Yamada is a castaway on an island without any ships passing by and he is unable to recall why he is there. After finding his sports bag, he assumes he was on a school trip. With only seven days worth of food, he eventually decides to make a boat to leave the island. He thought he was alone on the island until finding a girl named Imaise Chika eating his food. They then decide to continue carving the boat together. Since the boat only has room for one, Yamada decides to set off for help, but returns upon noticing that not only has Imaise put her share of rations in his bag, they are mostly untouched as well. After returning, he notices she made the oar out of a fishing lance and he decides they can live on the island longer.

With their parent's approval, Makoto has started living with two good-looking brothers.
The older brother, Souta, just feels like they're burdened with Makoto.
But Makoto can't help but be interested in Souta...
Living together under one roof, a parent-approved love begins.
There is a lot of flirting every day!!

Leo is left for dead after a robber stabs him with a knife and runs away. But, up until the very moment he passes out, he keeps a firm grasp on his desire to live. He wakes up in someone else’s bed, and he finds out that he was saved by Owen Bentley, a popular celebrity. He also finds out that Owen is a vampire—and that he had to turn Leo into a vampire in order to save him! But Owen harbors another secret, one that he seems to hide desperately… What is this secret? How will Leo find out?

Sengoku Rance is all about the most perverted hero of a fantastical world. He journeyed to Japan in order to have his way with the ladies of this land, and ended up as the secret ruler of Nobunaga House. In the process of conquering Japan, he unwittingly play the dupe for an ancient demon sealed in this land just waiting to be freed. Nevertheless, be it either demons or hostile forces, none shall stand between Rance and his ladies.

As a result of her "vigorous attitude", Ritsuka is known as the tomboy of Sakuraya police station. While on duty, she was accused of a cosplay scandal. Later on that day, she discovers a girl who was raped by an unknown man in the men's bathroom. With her fellow cops, she and two other policemen from the Criminal Investigation branch - Daisuke Takaya and Eiji Itsuki - attempt to find the suspect.

From Easy Going Scans
On his right, his index finger on a trigger. On his left, a wedding ring. That is Tokichi's new life. A shy and clumsy salaryman, forced to become a hitman overnight. A double life: bowing during the day and gunfighting at night.
He also has to juggle the two women in his life: his domineering wife and the jealous girlfriend he has inherited as his secret persona.