ElyMobi

ElyMobi is the femslash ship between Elysia and Mobius from the Honkai fandom.

Previous Era
Elysia and Mobius first meet when Elysia is a new recruit being shown around by Ato, shortly after the defeat of the 2nd Herrscher. Ato leaves Mobius to tour Elysia through the rest of the base, and Elysia enthusiastically introduces herself. Mobius warns Elysia not to associate with her, as it won't do her any good. Elysia replies in confusion, saying that it'd be a shame to avoid her when she's barely gotten to know her. Mobius calls her a weirdo, but agrees to show her around the base.

One day Elysia disguises herself as a staff member with a gas mask. She tells Mobius she needs to take back her badge due to a change in policy. Mobius is suspicious, but can't find anything wrong with the stranger so she hands her the badge. As Elysia is leaving, Mobius stops her. Elysia initially thinks she got caught, but Mobius instead asks how the 2nd Honkai Eruption is going since she knows everyone tries to keep information from her. Elysia says that the situation's not good but will get better soon because of an "adorable and powerful" new fighter. Mobius asks what the girl is doing now, and Elysia cheekily responds that she's applying for a badge and will be on the front lines in no time.

With Mobius's badge, Elysia infiltrates Mobius's lab and forms an excuse for Klein to leave. She goes to Mobius's computer trying to guess her password to no avail. When Elysia looks at Mobius's painted ceiling and walls strung with samples, she realizes the password has something to do with evolution, and guesses correctly. Elysia finds that Mobius is investigating her and has fun reading the report. Mobius catches her in the act, and Elysia greets her breezily before asking about Project Stigmata.

Mobius is inspecting the corpse of the 2nd Herrscher, though is interupted by Elysia coming into her lab. Elysia notes that Mobius's research application hasn't been approved, and Mobius tells her to stay out of this. During this exchange, Elysia stands on her tiptoes, not used to talking to someone taller, and Mobius stands on her tiptoes as well. Elysia voices her worries of why she doesn't want Mobius to research the 2nd Herrscher, as those who were bewitched with studying the 1st Herrscher ultimately fell. Mobius refutes that she's not bewitched, and looks back on the corpse, wondering why humans can't be powerful. Elysia says that unlike other people, she can't tell what Mobius is thinking, and asks what she wants. Mobius tells her she wants to create transcendence with her own hands.

Mobius invites Elysia to her laboratory one day. She shows Elysia a corpse of a man who tried to undergo the MANTIS surgery with the Maheśvara Honkai beast gene. Elysia regards the man with pity, and says she thought they would've given up on the Maheśvara factor since there's only one case of success. Mobius agrees, then stares at Elysia, questioning the fact that Elysia hasn't experienced any side effects.

Quotes
"…Yeah, even though Mobius isn’t always totally straightforward with me, I still like her."

- Elysia, "About Mobius (3)".

Fanon
ElyMobi is a rarepair in the fandom, though has a dedicated fanbase. Its main rival ships are Elyeden and Elymei. Fans of the ship like Mobius's tsundere attitude towards Elysia paired with Elysia's flirtatious personality.

They currently have 55+ works on AO3.

Fandom
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Trivia

 * It is a re-occurring joke that Elysia attempts to get Mobius to wear a pink dress.
 * She is successful in the mini story, "Fairy's Journey".
 * The outfit description for "Miss Pink♪" (Elysia's maid outfit) reads: "Wow! Look what I found in the closet! Mobius, are you still into this stuff?"
 * For the sake of messing with Mobius, Elysia told Griseo to refer to Mobius as "Granny Mobius".