"The world has changed."

Lucifer, who senses the movement of the world, targets Erie Ever, not Iruka Blue.
When the children of God heard that there was an evil spirit in Eri's body, they were going to perform an exorcism to fight evil spirits...

Four lights are 'Kinetic Novels.'

Difference between Teen Version and Adult Version 

Adult: Contains profanity, mildly graphic illustrations (minimized in the after story), free after story updates
Teen Version: Mild profanity, no graphic illustrations. No after-story updates.

Told in a "Kinetic Novel" format with no choices.

Credits

Supervision/Illustration/Composition/Scenario : Torriet [Torriet]
Programming : EDDY LOTTE [Eddy Lotte]
Voice Acting Director: CHOI JIN WOO [PLUSDICTION DIRECTOR] [PLUSDICTION DIRECTOR]
Recording : OLZE STUDIO [OLZE STUDIO]

Main Voice Actor Casting (Voice Actor Name: Character Name)


Protagonist

Ryu Seung-Gon : Evie

Heroine
Bang Xiu : Iruka

Lee Myung-hwa : Hari

Park Siyoon : Eri

Sung Ye-won : Merchen

Supporting cast

Jang Seo-Hwa : Fiorios

Lee, Myeonghwa : Thayer

Jung Tae Taek : Sue, Evela

Lee Eunjo : Crina, Gwen Irio

Kim Hwon : Tottohoy 

Garvin : Lucifer, Riley

Jung, Jungjin : ShinKim

Yoonchae : Ever

Won Jongjun : BennySon

Jungmin : Kerbia

Han Cheongah : Chererio

Shim, Minjung: Piano, Forte

Kim, Bo Yeon : Emilia

Control Keys

S - Screenshot 

H - Delete message window >> Left click to revert afterward

Mouse wheel up - Rewind

Mouse wheel click - Delete message window Same as H key

The mouse wheel up is a temporary feature, and when using it, there may be problems such as inconsistency in the production or sound effects may be played at the same time.
If you experience any issues, please try running the game again.

Patch Notes

June 18th
June 21st
June 30
July 10th

Fixed prologue and Iruka root fingerprints and some background CG fixes.
Changed the year of the story from 2050 >> 2020.
No content changes due to the year change.