R-15 is about a boy, Taketo Akutagawa, who attends a school for geniuses: Inspiration Academy Private High School. Taketo is a genius novelist and writes erotica. Despite negative perceptions many people have of him, he aims to be at the top of his class and be recognized as the world's greatest writer. ... more>>

A manga adaptation illustrated by Hayato Ōhashi started serialization in the June 2010 issue of Kadokawa Shoten's Monthly Shōnen Ace magazine. An anime TV series adaptation began airing in Japan in July 2011. <<less

The protagonist was sleeping, and he did get to a white world with a phone booth in his dream. It rang, he answered. A girl on the other end claims to be God. Who the hell would believe such a dumb thing? "God" claims to grant him a power to save the world. HA! Who the hell would believe that? Fine, so he decided to make this dream end in a joke "Then give me the ability to upskirt girls!" HAHAHA The next day, he woke up, naturally he didn't really give it much thought. But he still wanted to try it out, let me try upskirting that girl... And it happened!! After another try,... more>> he confirms that he has the power to upskirt girls(indirectly) with a swing of his hand upwards and crying "upskirt." However, when a world crisis really starts coming to his town, a girl comes to gather the warriors that will save the world. And the kind and innocent girl(with ability to find comrades and sense the incoming crisis) asks... "What is your ability?" Note: This is a CUTE girl. Eventually, they gather all the comrades:

An otaku with teleportation abilitiy.
A kid with shielding abilitiy.
A girl that can sense comrades and incoming crisis.
A dog that can clone itself and talk.
A GUY THAT CAN UPSKIRT GIRLS.

And so, the protagonist sets off with the group to save the world with his mighty gift, THE POWER TO UPSKIRT GIRLS!! <<less

The Pillars suddenly appeared above Earth, threatening all life. A god who called himself Odin came to the aid of humanity as it was driven to near complete defeat. To counter the Pillars, Odin declared a counterattack by bequeathing humanity with the battle maidens Walküres and the “herocraft” as their wings.... more>>

Several years later, the battle between humanity and Pillars rages on, with men supporting the Walküres as they soar through the treacherous skies to save the world.

Japan is no exception. Three Walküres confront the giant Pillar looming over sacred Mt. Fuji. Each Walküre is skilled, but each also has issues. And now, an ace pilot has arrived from Europe.

“Now is the time to fight back, humanity. The day of reckoning has arrived. The time of Ragnarok draws nears.” <<less