Vertin

Vertin (维尔汀) is the main protagonist of Reverse: 1999 and the character controlled by the player. As a member of the St. Pavlov Foundation, she is currently known as the only person able to withstand "the Storm" thanks to an antibody in her body named 'Asymmetric Protein G' which only she posseses from the Foundation's experiments, having been given the title "Timekeeper" as a result.

She wishes to find the truth behind the storm and the Foundation that she grew up in, this being a result of her recalling memories of her mother, whom she was previously unsure if she even existed at all, during her first storm. However when she went to ask the foundation, she was met with the response of "no such person".

Prologue
Prior to the main story, Vertin has been taking pictures of and recording the people she meets before they reverse in time. She accidentally discovers that the things inside her suitcase can withstand the storm with her, and slowly experiments with it, yet always failing whenever she tried bringing a person with her. Her last attempt was with Regulus who she thought was also an Arcanist due to her inaccurate reporting on the moon's phase through her ship's radio and just as she thought, Regulus is able to successfully bear the storm with her and ends up joining her as an ally.

Tender is the Night
Together with Regulus, and APPLe, Vertin travels back to 1929 through the storm, and after Sonetto joins back with her, their first mission is to interfere to an event where Arcanists get targeted and killed in Chicago, she heads to the scene and alongside Sonetto and APPLe, while Regulus who agrees to join the Foundation heads for the headquarters. her first mission is to interfere to an event where Arcanists get targeted and killed in Chicago, however as she arrives to the scene, she finds that the past as it should have been was changed, and all the gang members who were supposed to target the Arcanists were killed by a mysterious girl. After following the clues left behind by the girl, and separating from Sonetto along the way, she arrives at the Storm Gathering in The Walden where they encounter the disguised Druvis III and find out the true identity of the Mysterious Girl as Schneider who she is chosen to duel with, as things get chaotic, Sonetto returns alongside Sotheby to support Vertin.

As Manus Vindictae block the entrances to The Walden, the group exits through the improvised exit where they run into the Manus members Arcana and Forget Me Not, and learns of Schneider's imprisoned sister Marian, together they rescue Marian, and while they are being pursued Vertin and Schneider remain in the labyrinth to fight off the attackers, while the rest escape and bring Marian to safety. However, the two are captured and brought back to Arcana by Druvis III.

Arcana does not forgive Schneider of her betrayal, and forces Vertin into joining the Manus, after which she orders her to kill Schneider, when she refused, Arcana offers her an orange, which takes Vertin under her spell, causing her to seriously injure Schneider without realising. Later, as the "storm" draws near and people begin experiencing the "storm" syndrome, Vertin is able to win the support of Druvis, and meets back with Schneider, whose body had been delivered to, and treated by Sotheby and Sonetto. The next day, Manus Vindictae gathers lots of civilians under the disguise of a relief camp and starts massacring them through explosives, with Regulus joining back with the team alongside X, there is a major confrontation between the two sides which ends in their victory.

Now that they are all gathered up after their victory, Vertin collects and records the wishes of everyone, and together they have a final banquet before the "Storm". Just as the "storm" begins, Schneider approaches Vertin one last time, and reveals her secret.

Sonetto
Vertin's childhood friend and classmate who she grew up with in the foundation. In the present, she aids Vertin as an important ally, teaching her the basics and also wishing to stay by her side and protect her.

Matilda
Vertin's classmate from the Foundation who is younger than her. As they grew up, they were very close.

Mesmer Jr.
Vertin's classmate from the Foundation. As they grew up, they were once very close. Mesmer Jr. blames Vertin for the death of their classmates in chapter 3, since Vertin was the one that has led everyone outside when the Storm was occurring. In chapter 4 while Vertin was comatose, she mentions how she grew up, meanwhile she is disappointed that Vertin didnt and she is still pushing the rules of the foundation.

Regulus
The first person recruited by Vertin, she was Vertin's final attempt at trying to bring people through the storm with her, and after it succeeds, she joins Vertin and the foundation as an important ally.

Schneider
The two initially meet as enemies, however after Schneider betrays the Manus, Vertin helps her rescue her sister Marian, however they are unable to escape and get captured by the Manus where Vertin is put under a Arcanum by Arcana to kill Schneider without realising. Luckily, Schneider is able to survive the attack with the help of Sotheby. In her final moments, she reveals to Vertin that she is not actually an arcanist, and cannot bear the storm with her, telling Vertin her final words "Don't forget me".