Ben Tennyson, the wielder of the Omnitrix with the Master Control accidentally activated, is battling his two major arch-enemies, Vilgax and "Kevin 11", near Niagara Falls where his grandfather transports the two villains into the Null Void. Ben is accidentally taken along with them and ends up in Gensokyo. What he will face will be his greatest and weirdest challenge ever.

A world shattered across the Axis of Time and ruled by a Tyrant and his unholy alliance, the Remnants of Gensokyo and many humans remain to fight and restore their world to normal after the loss of a friend. Kamen Riders, Witches, Youkais, Gods, Pirates, all shall unite to fight this evil when those that walk through time rejoin them. Can they win, even with this new chance?

Gensokyo and its inhabitants have been living in "relative" peace for over a hundred years. But now, the Dragon God, and bringing with him the Fantasy Killer he has returned. Just what is its purpose for bringing the antithesis of the Paradise the gods love?

One day, in the skies above Gensokyo, an Ultra Wormhole appears, which Reimu goes to investigate. What follows is an adventure that will tie the fates of two lands together forever, and reveal some startling truths about Gensokyo's past.

A collection of Touhou and Minecraft crossovers. (On Hiatus)

Louise had been hoping for a dragon or a manticore. But instead she summoned a raven with a gem on its breast. A raven that seemed to have a lot of tricks up its sleeve. And so her descent into the dark world of power, politics, and annoying youkai that help in the most irritating way possible. At least she has a bird that can level cities to back her up.

Cirno freezes too much for her own good.

After Okuu's powers run wild, Satori finds herself in a world she doesn't recognize. Unsure of what to do, she decides to start working for one Gintoki Sakata, a Yorozuya for hire who takes on any job requested of him. Can she possibly survive the insanity that befalls this man at every turn?

Sybill Trelawney is attacked during summer, and Dumbledore calls in a favor from Japan. Harry is slightly more affected by Voldemort's return. How will this change the story we all know? Features Marribel as Divination Professor, Renko as her assistant, and a more logical, but also more angsty, Harry. AU for Touhou. 5th Year Canon Divergence for HP.

*cough cough* SOMEONE decided to troll. So they decide to teleport Mario and Luigi to the native lands of Gensokyo, where the two brothers are forced to adapt to their surroundings and figure out what's going on here. What could possibly go wrong?

Yukari is bored, so everyone has to watch RvB. Read how the inhabitants of Gensokyo react to the adventures of the Blood Gulch crew. Now with side stories (Chapter 19 onward).

A man cannot do anything against a god. At least Sojiro thought so before he was involved with the Phantom Thieves of Hearts. Now, he believes in much more, even in overcoming the odds and overpowering a god. But what about a godess? (warnings: This fic has no action. It is purely dialogue. The Phantom Thieves won't show up. I know little about Touhou, only know what's in fanfics.)

I could tell you you will find inside. I could, that's what this box is for isn't it? But then, you'd never get the satisfaction of finding out for yourself now would you? So instead, I'll simply let your curiosity consume you until, at last, you find out for yourself whats inside. Now how does that sound, Oh reader mine?

( a Shin Megami Tensei; Apocalypse/Touhou/ Persona Crossover.)someone other then Dagda saved Nanashi when Adramelech killed him, a supreme personality from the greatest of all Vedic scripture. in which 'Oh My God' takes a new meaning. it is a story about family, love and...wait why is Nanashi holding a shovel? (Has now reached a 1000 readers.)

This is a recreation of Gensokyo's Heart. Not much else to say.

Gensokyo. A long forgotten place ruled over by the Youkai, with humans in the minority. The Last City. A desperate place where humanity struggles to survive under a weakened god, ruled by humans who worship it to no end. Two places so different, yet so alike. But what'd happen if they meet? Would there be peace? Chaos? Only time can tell such a fated meeting, as the exiled come.

Maribel Hearn was born with the quirk that could see and touch the boundaries of existence. Now pressured into the life of a hero, she finds more than she hoped for. For better or worse. What mysteries clouded the past of this future? Touhou Near-Future/MHA AU. Currently: Internship Arc

To a soldier, death is the end. Though, to a certain someone, that's just an excuse for him to do whatever he wants with them. And for that, those soldiers start their new adventures in a completely different plane of existence: Gensokyo.

A rewrite from an old crossover I've done years ago called Strawhats stumbled into Genokyo. It has better writing, better grammar and better scenes.

After a mysterious turn of events, a 1300-year old immortal turns up at a site just days before a containment breach. Based on SCP:CB and the SCP wiki.

Alan Rikkin has been searching for the mythical Apple of Eden in hopes of ending the centuries-long conflict between the Assassins and Templars. However, complications soon arose when the enigmatic Youkai, Yukari Yakumo, steps in and manipulates a series of events that Rikkin would be unable to prevent (Retelling of the Assassin's Creed Movie).

Isika Valao is a young Asari child, with nothing to her name and a lot to prove. Enamoured by magic and the Alliance, she sets out to become what should Be impossible for the naturally biotic Asari, a magician. With the help of a certain ordinary Magician, she just might make that dream a reality. (A spin off Story to the Boundary Effect, written with Permission)

After a near death experience, and meeting a certain Youkai sage, Hailey Potter, the girl who lived, finds a new family in the mysterious residents of the Yakumo household. Hogwarts is not ready for this new breed of Snake, who cant even be called human anymore (Genderswaped Harry, because a male protag in a touhou story is ridiculous, they don't even look good in floppy hats!)

What if the answer to Gensokyo's continuation is just like Lunarians, escaping Earth? Unknown to Theldesian, their world was designed meticulously to ensure the perpetuity of supernatural beings. Yet, it is not so easy to use an entire world, so similar yet so different from the one they are used to...as the vanguard will soon find out.

(Take note that the Saiyans including Goten have Tails.) After losing to his Dad, (and Vegeta.) Goten opens a Barriers between Geneskyo and Universe 7, and now, Goten must warn the others before trouble, if he ever leaves that is. Luckily Trunks already found the Saiyan's Location, and Goku and Vegeta are just catching up!