Natsuyasumi-hen follows a variety of characters over their summer break between the Nine School Competition Arc and the Yokohama Disturbance Arc.

Takatsuki Misora is a 15 year old high school freshman with one glaring problem: her height. She is extremely short and is often mistaken for an elementary student and her friends jokingly tease her for being so cute. Her self consciousness is further complicated because her younger sister, Kotori who is only 11 years old looks like she should be in high school or even older. Kotori loves her big sister and wants to play with her but Misora, as the older sister, is embarrassed with what looks like a reversal of roles in a sibling relationship.

Miyamoto Sakura is cute. Why, you ask?

1) She looks cute.
2) The way her expression is constantly changing is cute.
3) The way she gets so easily excited is cute.
4) Still remembering the proposal from when we were small is cute.
5) Her ti*s are surprisingly big.

…See, with all this together, how could she be anything but? And so this manga exists to admire her, the purest manga in the world.

Incidentally, my name is Oogami Hikaru, I’m Sakura’s childhood friend, and apparently the reincarnation of the Norse Deity Odin.

DESCRIPTION #2:
Anyway, cute Sakura Miyamoto is a childhood friend and loves Ogami Hikaru.
Hikaru's house is cohabiting with three beautiful sisters who claim to be Gods from Norse mythology.
Hikaru will provide services like that.
The end of Ragnarok's love of Sakura Miyamoto!?
Hope in for a crazy but beautiful story.

Cute powerful vampire girls daily struggles

Fifth grader Edojou Honmaru is one of the most trodden upon losers in his class, until he meets Magical Taruruuto-kun. Taruruuto's powers help him deal with all his hardships, such as girls, bullies, and numerous other challenges.

Tights... are to be worshipped! Tights... are the universe! Tights have infinite possibilities!
High schooler first year at the height of his youth · Kamiya Oya · was suffering.
"I'm not distracted by my thoughts, but by that girl's tights! I don't want people know how bad it is."

Girls wearing tights are too cute! The inevitable comedy begins!

Two brothers who lost their parents are brought to an orphanage on an isolated island. They are welcomed by a beautiful nun and promised to spend the rest of their days in paradise with the other orphans, but are soon thrust into a twisted hell of love and madness.

17 year old Nonoyama Reiji goes to work at a public bath only to find it staffed with beautiful girls, who quickly take a liking to him.

It is a scorching summer in Japan and Hiromi is studying hard for her exams as she wants to enter her university of choice. She was raised by her mother, because her father, a well-known researcher, had gone missing when she was much younger. One day, on her way to school, she was attacked by a man with a knife… is this the end or a new beginning?

Genius super villain doctor sachiko tries to conquer the world with her genetically engineered supervillains

High school student Atami Kusatsu on his way to a rural onsen, meets with a tragic accident along the way and dies, but he's reincarnated as an onsen in a fantasy universe. In this world, the liquefied Atami turns out to have remarkable physical and magical healing properties, and he soon finds himself being regularly visited by beautiful elven adventurer Laticia, large-breasted priestess Kumu, and petite village chieftess Chichiku.

Home Economics Teacher, Shinji Yabe, is asked by the biggest gyaru in school, Miku Okazaki, to help her "bake cookies to give to the teachers". The principal told her to do this, after she flunked every subject and makeup-class they put her in. He gets her to successfully finish a batch of cookies after several mishaps and is touched by his students glee over her success. He decides to start a cooking club after this experience to get more time and connection with his students. Upon hearing this, Miku decides to join, since he was the first teacher that didn't shove her into makeup-lessons after her failings and pushed her to try harder instead.

The vampire princess Alice goes to the human world to find a groom in order to inherit the throne, and finds an unlucky man with a very powerful aura.

An urban legendary girl, Toko, appears in the mirror or on the smartphone of desperate people and transforms their appearance fulfilling their desires but what is the price to pay for this 'favor'?

From INP-Mangaz:
Minori's motto in life has always been to smile no matter the hardship. However, her sweet personality in attempt to make friends has led to constant bullying and being taken advantage of. Pushed to her breaking point Minori begins to give in to peer pressure until she is saved by a beautiful girl named Alice.

A short spin-off that center around Momoki Riri's daily life as the "Boner Princess" at her school while the transfer student Onodera Shouta who, thanks to Momoki, gained the title "Impotent Prince", does his best to ensure no harms come to her due to her blunt, reckless words.

This manga takes place after Chapter 47 in Henjo - Hen na Jyoshi Kousei Amaguri Senko

Beelzebub—the formidable right hand of Satan—commands fear and respect throughout Pandemonium. What her underlings don't realize, though, is that she's an airhead with a love for all that is fluffy and adorable! The only thing she might enjoy more is teasing her new attendant, Mullin, who is learning that serving Beelzebub is both heaven and hell...

"Kaguya Wants to Be Confessed to" is a manga about “the war of love and brains” between two high school geniuses who try to make the other confess. This, however, is an "ero spinoff" that’ll make you wish it were part of the main series!

Shunichi Ikeya gets a confession from his childhood friend, Yuka Yashiro, and he comes out as gay. The outcome of that isn't what changes their lives together but rather, a change in sex is what turns their lives around...

From Kirei Cake:

It's been declared that Nishi High will close in two years. Since then, the student population has dropped to a mere seven. Hazakura Motoya, one of the remaining students, decides to stay for the free ride through high school.

Suddenly, everyone is shocked when they receive three new transfer students, Kayama, Mizumura, and Toujou, girls who are actually members of a special military division.

Soon after, Motoya and the three girls witness a giant tower suddenly appearing on the school grounds. Motoya is destined to enter with the girls in order to uncover the mysteries of this tower.