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Story

SINKIN' IN THE BRaiN is a dreamworld featured in AI: THE SOMNIUM FILES based on the Sagan Residence.

It is the second chapter of the game and the first Somnium in the game's storyline. It is a Somnium world created from Kaname Date's dream while napping at the Central Hospital. It acts as a tutorial for Somnium puzzles.

History[]

Turned on the light.[]

Date began his dream in an unfamiliar room, his memories clouded, and is greeted by an unfamiliar transparent woman dancing behind a skeleton sitting on the couch. The woman was Aiba, appearing in her brand new human form, which Date hasn't seen before. She told Date who she was, and explained Somnia and Mental Locks to him, after which Date began directing her through his dream. During her explanation, the figure of a man appeared briefly. Date told Aiba he did not recognize him, but she said he must know, since dreams are created from memories.

Aiba determined that she was only able to interact with the Somnium is through the colored objects in the room, shining on various light sources, so they needed to light up more of the room to progress. After she turned on the lights in the room to break the first Mental Lock, a woman briefly appeared on the couch.

Opened the door.[]

Punching the head off the skeleton on the couch caused the room to crumble. Aiba fell through the floor and landed once more in the same room. There, she watched the figure of the same man from before walk through the front door. Once more, Date insisted he did not know who he was.

Summary image 004

Aiba is about to examine the unlocked door.

Aiba used the gun-shaped key to unlock the door. She opened it to reveal the woman from before, motionless and bleeding on the floor, and the same man, a gun in his hand. As he began to turn around, Date woke up.

Name[]

  • The name "SINKIN' IN THE BRaiN" refers to this Somnium taking place within Date's brain, acting as the first Somnium in the game.
    • This Somnium is named differently from other Somnium, sporting the word "SINKIN'" instead of "PSYNCIN'." This is due to the fact that this Somnium is a naturally created dreamworld that Aiba sinks into, without the need of a Psync Machine to enter.
  • The name of the Somnium's achievement, "BRaiN: Memories Hidden in Dreams", means the memories in this dream that Date lost six years ago: Rohan Kumakura broke into the Sagan Residence with Falco's body and tried to kill Hitomi Sagan, but Falco rushed home with Rohan's body and accidentally injured Hitomi.

Navigation[]

AI: THE SOMNIUM FILES
Media
AI: THE SOMNIUM FILESAI: THE SOMNIUM FILES DEMORaiNBOW AFFaiR Complete SoundtrackREVERIES IN THE RaiN SoundtrackTHOUGHTS REMaiN BELOW Artbook
Characters
Kaname DateAibaIris Sagan/A-setOta MatsushitaMizuki OkiuraBossPewterNew Cyclops Killer
Hitomi SaganMayumi MatsushitaRenju OkiuraMamaShoko NadamiSo SejimaMoma KumakuraRohan KumakuraCyclops Serial Killer
#89FalcoBodyguardsTakero MatsushitaManaka IwaiSaito SejimaYakuza AYakuza BNurseReceptionistMermaidTaxi DriverInspector
Locations
Tokyo
Chiyoda District: Police Headquarters (Boss's Office; Psync Room; Interrogation Room) • Sunfish Pocket
Koto District: Harbor Warehouse District (Cold Storage Warehouse) • Date Residence
Meguro District: Sagan ResidenceTiefblau
Minato District: Sejima ResidenceKumakura OfficeIkume ShrineLemniscateCentral Hospital
Near Kabasaki District: Bloom ParkOld Chemical PlantMatsushita Diner
Shinjuku District: Golden Yokocho (Marble)
Other: Fuchu City (Fuchu Prison) • Akikawa ValleyOkutama MountainsEitoku High
Somnia
SINKIN' IN THE BRaiN (Spoiler) • PSYNCIN' IN THE PaiN (Spoiler)
PSYNCIN' IN THE VaiN (Spoiler) • PSYNCIN' IN THE SWaiN (Spoiler)
PSYNCIN' IN THE SUSTaiN (Spoiler) • PSYNCIN' IN THE CAPTaiN (Spoiler)
PSYNCIN' IN THE CURTaiN (Spoiler) • PSYNCIN' IN THE REFRaiN (Spoiler)
PSYNCIN' IN THE VILLaiN (Spoiler) • PSYNCIN' IN THE MaiN: 1 (Spoiler)
PSYNCIN' IN THE MaiN: 2 (Spoiler)
PSYNCIN' IN THE MOUNTaiN (Spoiler) • PSYNCIN' IN THE CHaiN (Spoiler)
Chapters
Red Route: sigAIsaikAImeikAIsyokubAIrihAI
youdAIjikAIzugAIsyokuzAI
Yellow Route: syougAIseisAIhiAIsanpAI
Green Route: gumAIjukkAIkikAIjinnAIihAI
Purple Route: keitAIgyoukAIkyuusAIsyuurAIirAIdakkAIkekkAI
Pink Route: kenzAIjutAIkokkAIsousAIhakAIkassAI
Organizations
Tokyo Metropolitan Police Department (Advanced Brain Investigation Squad) • Ujisaki Family (Kumakura FamilyKumakura Estates) • Secret Society NAIXATLOZForeign Mercenaries
LemniscateSunfish PocketMarbleTiefblauFamiSto8-12Elgorg
Items
Wadjet SystemEvolverLight Synaptic Nerve Connection DeviceDate's CarShovelForgeOdoroki-man ChocolateGeostationary Satellite X00639
Events
Chemical Plant ExplosionOriginal Cyclops Serial KillingsBreak-In at Sagan ResidenceNew Cyclops Serial KillingsIncident at Minato District HighwayDisappearance of Renju OkiuraOperation: Iris Rescue
Full List of Events
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