Leiblich Pharmaceuticals starts development on LeMMIH (Multiparallel Processing Al Computer System).
Yoichi Tanaka (You's father) becomes a technician for LeMMIH's development.
Tom Favelin is born.

Tsugumi Komachi is born.

Takeshi Kuranari is born.

Yukie (You's mother) starts working at Leiblich Pharmaceuticals.

Yoichi and Yukie get married.

Yubiseiharukana (You Haru) is born.
Leiblich Pharmaceutical establishes a Marine Biological Laboratory (IBF).
LM-PNO1 (LeMMIH prototype) is deployed after trial operation at IBF.
Quantum biologist Dr. Yagami begins research on psychic abilities at IBF.
Dr. Morino successfully implants an egg with a somatic cell nuclear transfer into a host uterus.

Major domestic companies, financial institutions, and the government, led by Leiblich Pharmaceuticals, establish LeMU.

Yoichi learns about Leiblich Pharmaceutical's research on the Tief Blau virus.

Yoichi is detained by Leiblich Pharmaceutical.
Yoichi is declared missing.

Ryogo Kaburaki is born.

Coco Yagami is born.
An Italian doctor announces the successful pregnancy of a cloned human. An American company follows, announcing the birth of a cloned human.These events are made public and cause global controversy.

Tom saves his sister from drowning in a lake.

Construction of the marine theme park ‘LeMU’ begins.

Tom meets Dr. Cavin in a U.S. hospital.
Inside of LeMU’s Insel Null, LM-N03, with overall command of LeMU facility management, and LM-N04, a supercomputer for IBF research, are installed.
The CURE virus infects 12-year-old Tsugumi through Julia.
Tsugumi is confined in Leiblich's facility.

Dr. Cavin proposes the CURE hypothesis.

LeMU is completed and opens.
LM-010, a computer for facility management, is installed in Underwater ‘LeMU’.
Coco's psychic abilities are discovered. She lives in Insel Null at 'LeMU' and assists with her father's research.
An accident occurs due to a mutated strain of the CURE virus.
Tsugumi escapes from the Leiblich facility with several researchers, beginning a long period of fugitive life with them.
Dr. Yagami formulates the 'Third Perspective' hypothesis.

During research on the 'Third Perspective,' Dr. Yagami discovers a special three-dimensional circuit in the brain, forming the basis of Mirage.

In the first complete non-Neumann type LM-B13, the Demon Seed program for creating personalities goes haywire and is discarded. The bio-computer project is subsequently frozen.

The Clone Law is revised and promulgated.

Tsugumi (17 years old).
Due to the effects of the CURE virus, she ceases to age.

Mirage is developed by Dr. Yagami, Dr. Yoichi Tanaka, and others.

The quantum computer LM-QS16 (complete non-Neumann type) is completed.
It is named Sora.
It starts working within Underwater LeMU, serving as a practical test for Mirage (with a set age of 24).

Abnormalities in Julia's DNA base sequence cause an uproar in the scientific community.

The Julia incident increases the credibility of CURE Syndrome, and the term becomes widely known.
You Haru (14 years old) collapses.
She has a severe heart condition, with a prognosis of 3-4 years to live.

An unknown virus is discovered in Julia's blood and named the CURE virus.

You Haru, in the depths of despair, meets Dr. Morino.
You Haru conceives a 'new self' within her womb.

You Haru gives birth to Yubiseiakikana (You Aki).

An electronic dog equipped with LM-QSS17 is created.
It is named PiPi.

You Haru enrolls at Kyumeikan Girl's University.
Tief Blau secretly leaks within IBF.
Takeshi, You Haru, Tsugumi, Coco, and Ryogo visit LeMU.
The Tief Blau virus leak at IBF is discovered. They all become infected with the virus.
Dr. Yagami escapes on the first Kosmischer Wal, Andromeda.
Tsugumi conceives.*
Yoichi passes away at IBF.
You Haru (18 years old) and Ryogo (15 years old) are infected with the CURE virus.*
Coco and Takeshi enter artificial hibernation at IBF.
LM-QS16 shuts down. Sora/LM-QSS17 awakens within PiPi.
The parts of LeMU below Insel Null collapse and sink to the bottom of the sea. IBF is sealed off.

*Adjusted dates to fit correct timeline (Tsugumi always conceives on May 5th in all timelines).

Tsugumi resumes her life on the run.

The Tief Blau virus (Biohazard Level: 4) wreaks global havoc.
Leiblich Pharmaceuticals announces the discovery of an antibody for the TB virus.
You Haru receives a message from the Lemurian inscription about Blick Winkel (BW).
Sora and Ryogo begin working on the ‘Blick Winkel Project.’

Tsugumi gives birth to Sara and Hokuto.
Restoration of LeMU is completed.
Leiblich Pharmaceuticals develops a Tief Blau virus vaccine.

A group of students from a certain university begin a special training seminar on an isolated island.**
The seminar ends...?**

**Added references to Never7 from the original Ever17 (2002) credits timeline.

The impact of the Tief Blau virus reaches its peak. Yukie also gets infected and passes away...
Mass production of the Tief Blau vaccine begins. Starting from this year, the damage starts to gradually subside.
Tsugumi, to evade Leiblich's pursuers, places Sara and Hokuto in a trustworthy facility.

Sara and Hokuto are captured by Leiblich.

You Haru enrolls in the graduate program at Kyumeikan Girl's University.

You Haru (23 years old) and Ryogo (20 years old) cease to age due to the effects of the CURE virus.

The WHO declares the eradication of the Tief Blau virus.

You Haru completes her doctoral program.
You Haru joins LeMU. Ryogo joins Leiblich Pharmaceutical.

You Haru upgrades Mirage to access human senses. You Haru makes groundbreaking research achievements. She rapidly rises through the ranks because of this.

You Haru establishes a dedicated research facility, Himmel, beneath Undersea LeMU.
Sora, Ryogo, and You Haru begin developing a dimensional vibration device.

An accident occurs during a test run of the dimensional vibration device. Ryogo experiences an awareness resonance phenomenon with his 2017 self.
An external terminal body is created for Sora.
Hokuto is freed from the Leiblich intelligence facility. He begins to work with You Haru and her team.

You Aki enrolls in Kyumeikan Girls' High School.

Sara, with You Haru's behind-the-scenes support, enrolls in Kyumeikan Girls' High School as a scholarship student.
Sara meets You Aki.

You Aki enters Kyumeikan Girl's University.
You Aki starts working part-time at LeMU.
Sara comes to LeMU to capture Tsugumi.
Tsugumi is summoned to LeMU by Ryogo.
You Haru, Sora, and Ryogo execute the 'Blick Winkel Project'.

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Blick Winkel appears.
The ‘Third Perspective’ manifests.