Included with seventh volume of the Asobi Asobase manga.

Included with the third and fourth volumes of the Asobi Asobase Blu-ray and DVD releases.

The story centers around Kio Kakazu , a high school freshman living in Okinawa. During a memorial service for one of his family ancestors. A mysterious girl with cat ears appears before him indroducing herself as Eris and claiming that she is an alien. However She be more troubling than he first realizes

Kio is just another boring, nice guy with a boring, nice life until he meets a beautiful, curvaceous cat-girl while attending a memorial service for one of his ancestors. Next thing he knows, he's lying in bed with this half-naked beauty next to him! Her name is Eris, and she has come to Earth to learn more about its inhabitants as a representative of the planet Catian. And she's decided to set up shop at Kio's home for her stay on Earth! Unbeknownst to Kio, there are quite a few organizations who will attempt to capture Eris, looking to keep her existence a secret by any means necessary. What's worse is when people around Kio turn out to secretly be a part of those organizations! Kio will have to work hard to keep Eris safe from these shady groups. Things are about to get mysterious, exciting, and most importantly sexy in Asobi ni Iku yo!

It is already summer and the Catians decide to study the games on Earth. To make things more interesting, Manami suggests that each participant should wage a precious item and whenever a person wins a round they may choose one of these items as a reward. While Aoi and Manami covet a special item waged by Kio, their priorities change when they are risking to let a DVD with embarrassing scenes of both go in the wrong hands.

Catian Eris is now on a mission to learn about Earth games and how they are played, but she seems to think that bets have to be placed every time. And while some bets are material items, eventually the Catians learn about betting items of clothing...

Four years into the future, the world has lost its balance... 10 thousand metres of vast woodland is gone, preventing humans to live and leaving a desert to spread endlessly. And so, they head into the world of Meshichi, to live together with the Anbots. As if guided by fate, Sanzou and Gokyuu meet. Traveling together, Sanzou - a young man shrouded in mystery, Gokyuu - the strongest and worst Anbot around, Tongoh - an Anbot fond of drinking, Jou - someone who is great with machines, Suuji - a female Anbot thief, and last but not least, Mioto. And so, their journey begins to the boundless East, to the land where the sun was born!

In the world where only the aristocrats have the power to fight the monster—mana. A youth named Kufa is dispatched as a tutor to find Mareida's talent, a nuisance girl born in a duke's family. If she is not talented, assassinate her—that, is the dark side of his task...

In the world where only the aristocrats have the power to fight the monster—mana. A youth named Kufa is dispatched as a tutor to find Mareida's talent, a nuisance girl born in a duke's family. If she is not talented, assassinate her—that, is the dark side of his task...

In the near future, humanity faces imminent destruction from mysterious creatures known as "Huge." The world wages war against the Huge, and develops the anti-weapon "CHARM" (Counter Huge Arms) by combining science and magic. CHARM works more effectively when used by teenage girls, and those who use the weapons are revered as "Lilies." The Lilies are trained at military academies called "Gardens," which also serve as bases to protect and advise people. This is a story about girls who aim to become Lilies so they can protect Earth.

In the near future, humanity faces imminent destruction from mysterious creatures known as "Huge." The world wages war against the Huge, and develops the anti-weapon "CHARM" (Counter Huge Arms) by combining science and magic. CHARM works more effectively when used by teenage girls, and those who use the weapons are revered as "Lilies." The Lilies are trained at military academies called "Gardens," which also serve as bases to protect and advise people. This is a story about girls who aim to become Lilies so they can protect Earth.

Mini animation for Assault Lily, animated by Shaft.