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Mayuri Shiina (Steins;Gate)

Mayuri Shiina is Rintaro Okabe's childhood friend and a partner at the Future Props Research Institute. She has an easygoing personality and enjoys making cosplay costumes; The habit of gazing at the night sky and reaching out comes from childhood memories of spending time with my grandmother.

Basic information
Linked gamesSteins;Gate of Fate (STEINS; GATE）
IdentityOkabe's childhood friend
InterestCreate cosplay costumes

Character relationships

Mayuri and Okabe have known each other since childhood. She referred to herself as a "hostage" to explain her reason for staying at the institute; This explanation follows Okabe's chuunibyou style and reflects their familiar, natural way of interacting.

Personality and companionship

Mayuri speaks gently and optimistically, and is not good at arguing. She enjoys making cosplay costumes; The official introduction mentions that she and Honglixi gradually grew closer during research institute activities.

Additional information
RE:BOOT Japanese CVKana Hanazawa

Childhood friend and research institute

Mayuri has known Rintarou Okabe since childhood and is listed as number 002 in the "RE:BOOT" character list. She often wore a smile and habitually acted at her own pace, which was quite different from Okabe's exaggerated scientist demeanor.

Handmade clothing and part-time work

She enjoys making cosplay costumes and lets others try on her creations. She and Phyllis are part-time partners at the maid café "May Queen + Meow Meow"; Phyllis's lively way of speaking often echoes Okabe's chuunibyou persona.

The habit of reaching out to the stars

As a child, her grandmother often carried Mayuri to watch the night sky together, which helped her retain the gesture of reaching up to the sky. Okabe named this habit "Shaking Hands with Stardust," turning a childhood memory into a familiar everyday nickname for the two.

Relationship with the Tennoji family

Kotao, daughter of the downstairs shop owner Yugo Tennoji, is very close to Mayuri and calls her 'sister,' but in contrast, she is somewhat afraid of Okabe and Hashida. In 'RE:BOOT,' Mayuri voices Kana Hanazawa.

Writing a pure love storyline with 'Bi Yi Lian Li'

Taki explains: Mayuri's route includes interactions with all companions, which is a bit longer; He and Lin hope to make players like her more, making rereading the original feel even sadder.

Steins;Gate: Identity in the Reboot

Okabe's childhood friend, enjoys making cosplay costumes. As a child, she often looked up at the night sky with her grandmother, developing the habit of reaching up to the sky. Okabe called this gesture the Stardust Handshake.

Steins;Gate: The identity of lovers in Stones;Gate is a love-to-love story

Their route involved pool activities, model invitations, and moving houses, prompting Okabe to re-face their long-term relationship.

Identity in Steins;Gate

In the PSP version α timeline, her death repeats over and over different events. In Ruka's personal ending, her wish to take a photo with Ruka comes true, but she still dies; Mayuri's ending allows Okabe to accept the β world where Kurisu was not rescued, and continue living with her.

Labomen Number Character Records includes the song "Yasashii Yugure" under this person's name, performed by Kana Hanazawa.

Identity in Steins;Gate Elite Edition

In ELITE "Transparent Stardust," Okabe returns to the world where she can survive and starts dating her; This choice still resulted in Kurisu's death.

Steins;Gate: Identity in the linear constrained tree diagram

In the 2013 film "Yuen Fu no Polaris," she learns that Kurisu must sacrifice herself to save herself, so she sends a D email to change her childhood experiences and enters a world she never met with Okabe. Okabe still retains his memories and eventually finds her.

Persuading Okabe to seek help (0 games)

After Okabe gives up rescuing Kurisu, he is still troubled by flashbacks to the timeline and the scenes of death. Mayuri suggests he visit a psychological clinic and, together with his research institute partners, cares about this old friend who sealed away Hououin Okuma's identity. This act of care marks the beginning of the β timeline of '0.'

Sending Jiao Away from War (0 Game Future Scenario)

In the future scene revealed in '0', Mayuri, amid the chaos caused by the attack, entrusts Kagari's adopted child to Suzuha, who is about to transmigrate, and gives Kagari her treasured Upa keychain. She hopes her child can escape to a peaceful world.

Asking Peers About Hidden Pain (Linear Constraint)

In 'The Eternal Polaris,' Mayuri first notices the unusual expressions of Okabe and Kurisu, worries it is related to herself, and voluntarily asks to hear the truth. After learning that saving her would mean sacrificing Hongliqi, she cannot accept having her friends bear the cost; This process shifted her from being protected to making decisions herself.

Song, Recognition, and Substitute Departure (0: Mother Goose)

When Mayuri hummed 'The Song of the Stars,' Kagari had a memory reaction. Kagari later fell into a coma, woke up, and recognized her, accepting this child who had never come before.

At the end of 'Mutual Recurring Mother Goose,' Mayu Ideal tries to encourage Okabe, who had given up on helping, but Kagari takes her place and sets out with Suzuha.

Decision after learning of Kurisu's sacrifice (0: Infinity point)

After hearing Okabe and Maho's argument, Mayuri learns that Kurisu sacrificed herself. She goes to the rooftop to talk to Suzuha; After Suzuha decides to change the destination to the day Okabe fails his first rescue, the two plan to encourage him to act again.

Stop Okabe from acting tough (HD main story)

In 'Melt of Causality,' Okabe, who has returned to β, reluctantly plays Kyoma Hououin. Mayuri tells him not to force himself, and Okabe drops his fake laughter and tears in front of her.

Steins;Gate 0 Dual Gospel: Missing Person and Caring for the Sick

In 'Protocol of the Dual Gospel,' Mayuri and Hashida together care for the ailing Suzuha.

"Steins;Gate 0" Private Mirror: Rescue and Ending

At the end of 'Stigma Behind the Mirror,' Mayuri and Suzuha go missing.

The original game's True ending

In the True epilogue, Mayuri finally convinced Ruka to start cosplaying. After Okabe was discharged from the hospital, he went to see him and learned about it.

After being discharged, Okabe returned to the research institute and handed the badge to Mayuri and Hashida.

True post-story recap: when Okabe was hospitalized, Mayuri helped take care of him.

After receiving the badge, Mayuri recognized the initials of several of the names but asked Okabe which the other three letters referred to.

Related entries

References

Rewrite the factual introduction based on the official materials listed; No game scripts, lyrics, or audiovisual materials are reproduced.

Data compiled on: 2026-10-16.

本版编辑：免费机器翻译 · 2026-10-24

内容许可：CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/

本译文依据的源修订