Here the route of this story :
1. Gensokyo resident goes to outside world
2. Outside world characters goes to Gensokyo
Possibility :
1. Because of Gap hag
2. External cause
Characters choice (or timeline choice) :
1. Highly Responsive to Prayers (Hakurei Shrine)
2. Story of Eastern Wonderland
3. Lotus Land Story
4. Mystic Square
4. Embodiment of Scarlet Devil
5. Perfect Cherry Blossom
6. Immaterial and Missing Power
5. Imperishable Night
6. Phantasmagoria of Flower View
7. Shoot the Bullet
8. Mountain of Faith (Moriya Shrine)
9. Scarlet Weather Rhapsody
10. Subterranean Animism
11. Undefined Fantastic Object
12. Choudokyuu Ginyoru no Nazo wo Oe
13. Double Spoiler
14. Great Fairy Wars
15. Ten Desires
16. Hopeless Masquerade
17. Double Dealing Character
18. Impossible Spell Card
19. Urban Legend in Limbo
20. Legacy of Lunatic Kingdom
21. Antinomy of Common Flowers
22. Hidden Star in Four Seasons
23. Violet Detector
24. Wily Beast and Weakest Creature
25. Suibotsushita Chinshuu Jigoku
26. Unconnected Marketeers
27. 100th Black Market
28. Unfinished Dream of All Living Ghost
YOU ARE READING
STORY IDEAS - Touhou Project Crossover
FanfictionWhat will these Gensokyo resident do when someone goes to Gensokyo? or what will they do if they goes to Outside worlds? Touohu Project originally from ZUN
