The story revolves around youkai spotting that the current moon is a fake, leading the heroines to investigate. They stop time and head off to find the culprit, soon finding themselves in a bamboo forest and the japanese mansion hidden within, Eientei.
Wonderful Shrine Maiden of ParadiseReimu Hakurei
Stage 4-A Boss
She's the shrine maiden of the Hakurei Shrine.
She's emotional and noisy, and has a presence wherever she is, but she merges into her surroundings quite easily.
Her ability is being able to fly, that is, being weightless.
Youkai that Lurks in the Boundary Yukari Yakumo
A youkai living at the edge of Gensokyo. She possess the ability manipulate boundaries.
It is uncertain how long she has been alive, but her existence at least predates the history of Gensokyo itself.
She is difficult to approach, but that's due more to her deviousness than any uneasy feeling that people may have around her.
Ordinary Black MagicianMarisa Kirisame
Stage 4-B Boss
A human living in the Forest of Magic. She can use magic.
She spends her days rummaging through the items and books in her house, trying to develop magic that would be useful for cleaning her disheveled room.
Needless to say, she hasn't had any success. She's a hard worker, as well as a collector.
Seven-Colored Puppeteer Alice Margatroid
She possess the ability to use magic. Puppetry is a type of magic too.
She rarely goes out by herself, but she had no other choice this time. She has many similarities to Marisa, namely living in the Forest of Magic, being a magician and having an obsession with collecting things.
Maid of the Scarlet Devil MansionSakuya Izayoi
She is the head maid of the Scarlet Devil Mansion, but due to her mistress's nature she's practically head of the household.
She is utterly devoted to her mistress, and she feels no shame in being a "servant"; on the contrary, she's so easy-going it feels nice to watch her.
The Scarlet DevilRemilia Scarlet
A vampire who resides in the Scarlet Devil Mansion. She can manipulate fate.
She has apparently lived for over 500 years.
Considering how long she has lived, she acts rather childishly.
Half-Human Half-PhantomYoumu Konpaku
She's a half-human and half-phantom in the Netherworld.
She possesses the ability to handle sword techniques. She attacks her enemy with Roukanken and Hakurouken.
She's supposed to be the swordsmanship teacher of Yuyuko-sama, still, she has to do the work of a gardener first every day.
Ghost of IdyllYuyuko Saigyouji
She exists in the Netherworld as a ghost maiden. She can manipulate death, and she has been existing as a ghost since ancient times.
It is said that experiencing death in Gensokyo is strangely cheerful in many cases. And she is also a cheerful ghost, too.
Moreover, she is an airhead. Nobody knows whether she is usually like this or she just pretends to be.
A Bug of Light Wriggling in the DarkWriggle Nightbug
Stage 1 Boss
Insects gather around her.
Fireflies can perform their flashing with timed synchronization even in huge swarms, but that is actually because there is a commander like her within them.
Those who carelessly regard her as a mere insect will be easy victims to the swarm of insects.
Night Sparrow ApparitionMystia Lorelei
Stage 2 Boss
A Night Sparrow. She possesses ability to drive people insane by singing.
In addition to her song of confusion, she can make people night-blind.
Humans call her the Night Sparrow, but few have ever seen her appearance. This is because she only plays during nighttime, and humans around her become blinded by darkness anyway.
Half-Beast of Knowledge and HistoryKeine Kamishirasawa
Stage 3 Boss
Keine looks like an ordinary human most of the time, but she is actually a were-hakutaku who transforms into a hakutaku under the light of the full moon.
As a human, she has the ability to eat histories.
Rabbit of the EarthTewi Inaba
Stage 5 Midboss
After taking good care of her health and living for a long time, Tewi has the power equivalent to that of a youkai.
She leads the Earthborn rabbits living in Eientei. Her impetuous temperament makes her seem more like a fairy than a youkai.
Lunatic Moon RabbitReisen Udongein Inaba
Stage 5 Boss
A rabbit who lived on the moon.
In her eyes dwell far greater power of insanity than the rabbits of the earth. She is currently the pet of Kaguya.
Although real name is simply Reisen (レイセン, in katakana), she has adopted the admittedly quite contrived kanji spelling 鈴仙 in order to blend in among the earthlings.
Brain of the MoonEirin Yagokoro
Final Boss-A
She's a person from the moon. She has lived on the Earth for a long time.
Her relationship with Kaguya dates back to their days on the moon.
The Yagokoro family is a line of medicinal geniuses that have been living on the moon for some time. Even among them, Eirin is exceptionally intelligent. She is much smarter than humans, which makes her rarely understood.
The Sinner of Eternity and the InstantaneousKaguya Houraisan
Final Boss-B
She was born in the royal house of the moon and was treated with utmost care as a princess.
Because of that, she grew very selfish... But one scandal changed her life. She had Eirin make the Hourai Elixir - a forbidden medicine - and consumed it.
The crime was soon discovered and Kaguya was executed for it and after some events, she and Eirin of them began to live in desolate place haunted by youkai...
History EaterKeine Kamishirasawa
Extra Stage Mid Boss
Keine looks like an ordinary human most of the time, but she is actually a were-hakutaku who transforms into a hakutaku under the light of the full moon.
As a hakutaku, she possesses all knowledge about Gensokyo, and possess the ability to create history.
Figure of the Person of HouraiFujiwara no Mokou
Extra Stage Boss
A human who has lived forever since consuming the Hourai Elixir.
Humans who never age cannot live in the same place for long, so Mokou was forced to live as a wanderer...
Eventually, she chose to live like a forgotten youkai in a desolate place...
