Main Story[]
Stage 1: San Francisco[]
After Phobos awakens her, She takes her weapons and agrees to destroy the C-class weaponry surrounding the PSS members. After destroying the C-Class Armaments, she targets the PSS members when they try to interact with her. But they show up and try to explain the situation to her. After this, she destroys some of the C-Class Armaments that were roaming around San Francisco. and then a B-Class Armament appears and initially does not act in response.
After beating the game once, the player will have the option to Fight or Observe. if the player decides to observe. 3 important characters will die. when PSS members are ambushed. If the player decides to fight. Stella decides to confront the B-Class weaponry and all PSS members are still alive during this stage.
She then makes her way through the C-Class Armaments to a large door and destroys a generator. Upon reaching the generator she and the PSS members try to open the door but the cables are disconnected, so she is ordered to connect the cables. Once the cables are connected, they try again and the door opens. but he perceives MEFE and follows her. Upon meeting MEFE, he initially allows himself to be attacked until the PSS members arrive and he confronts her and then defeats her. Once defeated, they leave San Francisco.
Stage 2: New York Central[]
Upon arriving in N.Y. Stella is asked to talk to the other PSS members to find out what they need. After that, Commander Frank Marion introduces himself to him and this is where he meets Stella's name, as he calls her by her name when they introduce themselves. even though she doesn't remember it.
In the "A Better End" route she talks to Lars and he gives her a stuffed polar bear that he had along with his trailer, which she recognizes. Although she doesn't know the reason why it is important to her.
Then, they ask her to ride the Black Trike, a motorcycle made especially for her, she does so and with it she makes her way through the enemies on the Manhattan Bridge and passes some obstacles. He then has to set up smoke signals and deal with several enemies while doing so, others targeting the Black Trike. Then he would get back on the Black Trike and at the end of the bridge he would repeat the same process. Later they ask him to reach a building to get to her, She then rides the Black Trike for the third time, but in the end it breaks and she is forced to make her way over the C-class armaments at the end of the road.
Reaching the surface she makes her way through the C-class armaments as she scales the building. but when she reaches the top she meets MZMA. with whom she has a short talk until the PSS members arrive on the Brunhild, a plane also made just for her, and MZMA decides to attack the Brunhild where they are, but Stella prevents the shot from hitting and confronts him, and kills him. Expires. After that, she gets on the Brunhild and they leave New York.
Stage 3: Moscou[]
Before arriving in Russia, they learn that there is a survivor in Moscow (who they thought would be their hope to repopulate the planet). Upon arriving in Moscow, they decide to explore the terrain, but one of XNFE's weapons cuts off the signal until Stella destroys it. Later, they decide to continue searching for the survivor's location, but Stella notices something strange about Rothcall and worries about him, but he tries to calm her down. and they get a house, which is the location of the survivor, but the PSS are attacked by aliens and Stella goes after them, but finds several weapons on the way. upon arriving she is ambushed by CKRY but SZZU orders her to stop and lets her talk to the dying PSS members, while Rothcall remains healthy. but when she interacts with him, XNFE vaporizes him. and Stella faces SZZU and CKRY, defeating the latter. but XNFE arrives and vaporizes them too while Stella manages to survive the attack but is left alone.
Upon waking up in the survivor's house, Stella meets the survivor who turns out to be Nana, her original sister. Before leaving Moscow, Nana asks her to change her clothes, since after the XNFE attack, they were torn. and once ready Stella and Nana get on a motorcycle made for Nana and go to Japan.
In the "A Better End" route after Stella changes her clothes, Nana comes in and takes a stuffed animal like Stella's and Nana explains that everyone else had also been given a stuffed polar bear.
Stage 4: Fuji Jukai[]
Arriving in Japan, they decide to look for their "mother" in the Fuji Forest and find several C-class armaments. At one point they get lost in the forest and sometimes they take the same path. then. A B-class armament arrives and attacks them, but Stella destroys it. Then they decide that the generators in the forest must be destroyed. but after Stella destroys them, Nana is attacked by a B-class armament. Luckily, Stella arrives in time and destroys the armament.
When Nana remembers the exact location, they decide to enter through the hollow tree and arrive at a room where Gibson was in the Noah project, only to learn that the system is only compatible with Stella. They are then attacked by LLWO who attacks Nana, making Stella confront him to end up defeating him, but he decides to self-destruct. Then when they decide to continue, Nana betrays Stella and shoots her, leaving her unconscious. When he wakes up, he decides to look for Nana, because he still loved her.
In the route of "A Better End" when he wakes up from Nana being shot, he decides to check the computers in the room and discovers the password by seeing the data of the Noah project and the password is 1999. and manages to listen to the message that Dr Gibson hit him on his stuffed animal.
Stage 5: Tokyo[]
While Stella was looking for Nana, she arrives at the Mother Ship, and faces the enemies that were inside it, she manages to contact Nana, but she tries to get away from her, meanwhile, she also ends up contacting XNFE, who asks her to come. . He also puts several of his weapons in his way, and when he sees that he can continue to hold out, he decides to put more obstacles, then when XNFE starts humming, telling him not to hum the melody, but XNFE tells him that Sing Love is from there. received his name. but meanwhile, XNFE tries not to be targeted by Sing Love, only for Stella to catch up to her. Then XNFE decides to face her, but loses to her and is later devoured by Sing Love. After that, Stella decides to continue with her goal of reaching Nana.
In the "A Better End" route after defeating XNFE, Stella checks Nana's stuffed animal and is glad that Nana had been named after her father's joy.
Stage 6: The Moon[]
Arriving at The Destroyed Moon, Stella decides to continue towards Nana, but is received by SAHA, who before confronting her, decides to test her. and she decides to destroy the guardian armaments that protect two antennas which maintain a barrier at the SAHA location. Once the guardians are defeated, she goes to SAHA's location but there she also finds Nana and there, SAHA stops her and Stella decides to confront him. With the battle leaving Stella as the winner, she decides to continue with her goal.
In the route of "A Better End" Chase the John Doe who was carrying Nana and manages to catch up with them, while Nana continues trying to get away from her to protect her, Stella tries to convince her that Dr. Gibson also loved her. but the weaponry attacks Stella. So Nana attacks the John Doe, giving Stella a chance to destroy him. after destroying the weapons. Stella inserts the password into her stuffed animal and shows her the origin of her name. After seeing Nana amazed and happy about the origin of her name, Stella decides to go against Sing Love.
Arriving the place, she encounters Sing Love. Upon meeting her, he decides to confront her. Their fight between the two was relatively long and tough compared to the other enemies Stella faced. but manages to defeat Sing Love.
Different Ends[]
Normal Route[]
After defeating Sing Love, Stella returns to Earth alone to the room where she entered with Nana to continue the Noah project and observes the polar bear she managed to create.
A Better End Route[]
After defeating Sing Love, Stella sees Nana and runs towards her with great joy. From here on, the same thing happens as in the normal ending, but with Nana accompanying her.
Post-Game Missions/Extra Missions[]
Some scenes has deceased characters in the original storyline, so is probable it aren't canon in the game.
Remember PSS[]
During the mission of PSS of riding the truck to New York, Stella takes a ask from Rothcall of take some gums and give it to him. (the player has to kill a specific enemies). In the next scene, Stella takes an ask from Xiaomi, of send a letter to Phobos withou this one gets broken. And for last, in the next scene, Stella is testing the Black Trike (And the target in the game is have the speed of 300km)
With Nana[]
In a scene, Stella and Nana was in Moscow, and Nana wants to test their strenght. So both Stella and Nana comes to beat some armaments arround. In another one, Nana starts to looks strange, reciting unknown lines that makes her looking like she was in delusions, so Stella gets forced to protect Nana of any armament that comes to her. In the end of this mission, Nana reveals she remembered a book that she read, bothering Stella for all the troubles she caused to her. And for last, in the next scene Stella wonder where Nana went away, so she wants her in the aliens mother ship. Do not without start solving a test from Nana. Later, Nana reveals she came to the moon, concerning Stella. After that, Stella cames to Nana, later in a custscene, the player has the choice to make Stella say if she loves Nana despite all the troubles that she made to her, or hates her. No matter any option the player choiced, Nana later starts to troll Stella, sending her patience to the limit.
The Seven Apostles Returning[]
Stella is put to various tests given by the Seven Apostles, to later beat them again. The only one who didn't gave her a test was Sing Love. who algo got beaten again by Stella.