There were two children at the Potter's the night Voldermort attacked, one was left there by an old friend, and the other was the Heir to the house of Potter. One was picked up by the friend, one was sent to the Dursleys. The problem? The two were sent to the wrong destinations. Now Harry's mother has reunited with him, and she IS. NOT. HAPPY. Starts at the end of year 1.

As one gateway closes, others open. And in the remnants of Japan, a chance for freedom begins to shine. Sequel to Subject: Gap.

After the seasons begin to stabilize, what seemed like a mere rumor becomes a potential reality pertaining a new crisis for Gensokyo's balance. Faced with a foreign power, a pressuring force in the form of a faint white aura, Reimu Hakurei sets out to investigate and defeat its source. However, as otherworldly values clash, she sees that the process will not be as simple as usual.

Reimu and Cirno are tasked to look over the animatronics in the infamous Freddy Fazbear's Pizza resturant. Course things aren't gonna be cool for them!

What if the Whills themselves had aided the galaxy? What would the galaxy do about it? One shot story, divided in 6 chapters for easy reading.

This is not a story, but is a fanmade interpretation of the operatives and certain people of the Alliance from the story Boundary Effect by Touhoufanatic. Feel free to agree or disagree with what I have got in store for you guys.

What happens when Yumemi's and Chiyuri's coordinates are way off course, sending them to a different world of science? They meet an evil robotics genius who wants to conquer a world of magic and fantasy...

Sanctioned Spin-Off Side Stories to 'Monster of Logic' (by Alxariam) - Read first, or you'll be as lost as Hikigaya Hachiman. (Side Story 7) While in the Service Club, Hikigaya Hachiman was frequently compared to the undead. Now a Gensoukyou resident, he should have expected to run into an actual undead sooner or later.

A new world. A new start. Where will this lead for a fool?

Laharl has found a way to cross into other Netherworlds at will, and plans on conquering all of them. However,his plan changes when instead he finds himself in Gensokyo.

It has been a couple of months since gensokyo's last incident, things have been really quiet. One day, however, reimu and cirno found themselves on a unusual place.

A collection of tales of Hachiman's life in Gensokyo if fate had chosen a different plan for him. Or, more accurately, just a bunch of dumb non-canon ideas I came up with.

When Bowser and Eggman plot to take over the universe together, it's up to Mario, Luigi, Marisa, Reimu and a lot of new friends to stop them! Will they succeed?

After their lost battle against one of the admirals and one of the shichibukai. All of them wishes to grow stronger to project the crew and the one and only Youkai will give them this chance.

After The Sonic OVA Movie: Dr. Eggman had one thing in mind: Revenge. He Powers up PURE HYPER METAL SONIC and has him Blast Sonic and Friends. Blasted into Gensenkyo, A New Adventure Rises for the likes of Sonic the Hedgehog and his Friends, Miles "Tails" Prower and Knuckles the Echidna. As they have to face Touhou Project Fav. like Reimu H. and More to get back to Planet Freedom.

It seems the work of an ex-Buddy is never done. Katsuragi Keima hadn’t expected his life to be cut short once again as his old job comes beckoning him back, this time to a Wonderland he thought imaginary, spirited away by a being he was sure couldn’t exist, and led by a lazy dolt who he swore made him miss Elsie’s company.

Curiosity has called, the temptation to know what is on the other side. For years Gensokyo had kept itself hidden, out of the eyes of a world that had forgotten them. For centuries they waited without any fuss. But times changes and the earth also do. New champions appears and new supernatural beings arise. May this be the time for the beings in the eastern wonderland to return?

After Tenshi decides to cause trouble in Gensokyo for a chance at excitement yet again, Yukari quickly appears and banishes the celestial to an another world. A world filled with crazy and powerful mages who can't stop causing unnecessary property destruction. Will she mature in Fiore and stop fighting people for cheap thrills to satisfy her boredom? Read to find out!

Gensokyo and the Moon have caught the interest of a certain Indecisive Mollusk, now they will have to form a fragile alliance in order face the horrors of the 41st millenium and the hideous laughter of 4 ever-thirsting gods (WARNING: OC IN FIRST ARC)

although only two categories of crossover are presented, this has a third element of Warhammer 40k.

Archived story. Something goes wrong with Yuyuko's ritual and Youmu's soul ends up in Higen. Eikishiki decides to make a special judgement, sending her to the Seireitei.

When Viridi unexpectedly falls ill, an heirloom left behind by her mother brings a shocking revelation on the nature of godhood itself. In the hopes of finding answers, Viridi brings her forces to an alternate dimension. Not long afterward, Reimu Hakurei receives and urgent message. A goddess from the outside world has conquered Moriya Shrine, holding its resident gods hostage.

20 years after Final Armageddon Warfare, Gensokyo Union Fighters become one of the major powers in Multiverse. They already have contact with United Gensokyo Forces. But recently, their relationship disturbed since GUF ally themselves with Humanity Military Force. Meanwhile, another Gensokyo, forgotten by history, finally appears... Collab with Lt Colonel Summers and Xovercreator

Now i know this is weird, but sense most Touhou Characters are Youkai, why not?: There is a Boy who can see Yo-Kai via the Yo-Kai Watch, his name is Keita/Nate A. But what if the Yo-Kai Watch Vanishes? That answer lays in Gensokyo, but can Nate and his Friends really survive it's mystery without the Watch?

Miko y Futo mientras estaban en el bosque magico pasan a otro mundo donde unas dos jovenes estaban siento perseguidas por guardias desde ese momento Miko y Futo tendras que acostumbrarse a ese mundo