The illusion of that person leads me astray. Mother and son. This is the ultimate favoritism.

Yotsuya-kun joined the Discipline Committee in order to get closer to Shirogane-san, yet he can't read her facial expressions at all. Shirogane-san is always hiding her face behind her mask, but what may be the reason? Rom-Com shenanigans ensue.

The first-ever serialization of the popular Twitter artist, Byte-sensei.

Alternate raw: https://dengekidaioh.jp/product/shiroganesan/

Nakahara Yusuke is a high school boy who has a very loving younger sister, Maria. She loves spending each day taking care of him, doing things such as cooking and cleaning around the house. However, she typically goes a bit too far into treating him like a child--she has a habit of coming to his classroom at lunch to hand-feed him his bento, or brushing his teeth for him at home. She even snoops out his hidden porn magazines. Other people think they're a bit weird, and that Maria acts like his lover or his mom. This 4-koma features their unusual daily life!

Included oneshots:
1. Hadaka no Banri-kun : Hazuki witnesses the “fairy” of the school, Banri-kun, in a rather shocking situation… In exchange for keeping his secret, Hazuki asks Banri-kun to talk to her everyday… But will that be enough?…
2. Blackberry Chocolate: Perfect girls vs. perfect boys, two similar personalities commence their negotiations over chocolate.
3. Hadaka no Ouji-sama: A rich guy who has a life like that of a celebrity now has to experience destitution! Let's see how he'll cope with this dramatic change.
4. Oujo to Kamen: A mask can hide your face, but can it stop a forbidden love from blooming between a rebellious princess and her devoted guard?

From Day of the River:

Akane: She's beautiful and popular, lively and full of vitality; Aoi: Looks like a small animal but is actually very clever. Who knew that these two very different people were actually... twin siblings?!

Included one-shot:
Volume 2: Kashino-kun wa Mahoutsukai

Once, there lived a fearless girl who could defeat even the strongest of beasts with her bare hands. She was the strongest person living. Thousands of years later, the same girl from the stone age has lived to learn what romance is. Will her strength scare everyone away, or will it let her fall in love?

Hori is your average teenage girl... who has a side she wants no one else to ever find out about. Then there's her classmate Miyamura, your average glasses-wearing boy in school and a totally different person out. When the two meet unexpectedly, they discover each others' secrets and develop an unexpected friendship.

From Yuri Project:

Paradigm Girls Academy, a famous, Catholic, combined middle and high school. Not interested in love, Aoi hopes a school life among the virtuous Ojou-sama would turn her into a graceful and high-class lady herself. Riri thought joining a girls’ school would allow her to finally find love. Bonding over having their dreams meet a harsh reality, a beautiful friendship(?) begins.

Kyoto in Spring. Aya is a high school girl who’s just moved to a new town. Miki is her shy classmate, and her first friend. One day after school Aya and Miki follow the committee president Midori to a specialty board games store. The Dice Club. Without thinking they try out a German board game together. These girls, who are searching for fun, soon fall into the exciting world of games.

The price of the curse is to mingle with the person you want to erase!
And......! The person's "grudge" is connected and "edge" is cut. God gives people such a curse, his name is Snake (Kuchinawa).
The price of the curse that she connects is too heavy for the girls.

The story of melancholy's sensuality, spinning the love and sorrow of the girls.

21-year-old Jang AnCheol has been on fast-track to success when he is cursed by a classmate he had bullied 3 years ago in high school. Now placed in loser’s body he had bullied 3 years ago, he is tasked with stopping 4 “Life Completely Ruined” incidents as well as rehabilitating his past self in order to undo the curse. How will he navigate his way through his past self and his cronies torments?

From the author of "Lookism" and artist of "Free Draw".

Corpse Party revolves around a group of students from Kisaragi Academy and their teacher. To cheer up one of their classmates who's going to transfer schools, they perform a charm called Sachiko Ever After so they can remain friends forever. However, something goes wrong and they end up trapped in Heavenly Host Elementary School. Now, they have to find the way out of the cursed school.

The manga centers on Kanoko and her friend Tsunagu. Their personalities are completely opposite of each other, but they are still very close. But something happens one day while they're playing near a small mountain shrine that they call Nogeyama-sama.

Hashiba Kyouya is a 28 year old game developer. With his company going bankrupt, and him losing his job, he returns to his hometown. Looking at the success of creators of his age, he finds himself regretting his life decisions as he lay distressed on his bed. But when he opens his eyes, he finds that he has travelled 10 years back to the time before he entered college.

Will he finally make things right? This is a story about a failed person who is given a second opportunity to follow his dreams.

A story about two students who share a bad case of insomnia, who find napping refuge in their school’s abandoned observatory.

Ruu Brandel, a genius wizard with a talent for thousands of years. One day helped a beautiful aristocratic daughter, Franc and was to be assigned to “Magic Girls' Gakuen” where he acts as a teacher! Now, the “non-standard” teacher life by the strongest wizard opens!

(Source: MangaUpdates)

"Ecchi stuff that also may have a story...."

The tsuntsuntsuntsuntsuntsuntsuntsuntsuntsuntsundere girl getting less and less tsun day by day.

Honeko Akabane is an ordinary high school girl. The daughter of a lawyer, she seeks to just live a regular life - even if that means chiding her childhood friend, the ever-violent Ibuki Arakuni, whenever he gets into fights with random people.

However, Ibuki holds a secret only he knows - Honeko was adopted by her current parents, and is actually the illegitimate daughter of a yakuza bigwig. As it turns out, the boss is retiring, and many people in his gang are looking to take his place; since Honeko is his heir, they want to kill her to clean up any loose ends.

And so Ibuki must protect Honeko from a variety of criminals, without letting her know about her true lineage. Can he act as her bodyguard while simultaneously keeping her unaware of her situation?

You're a good guy !!!! Sometimes they are friends, sometimes they love each other, sometimes rivals? Momo that can't be released a little while well, and is always taking care of the trouble. Ayatsuki,a tsundere (?) Story of twin high school students who are the opposite of personality!