Vita Sexualis (ヰタ・セクスアリス, Wita Sekusuarisu?) is the ability of Ōgai Mori. Elise is its manifestation.[1]


Vita Sexualis (Text).gif

Vita Sexualis allows Mori to summon and configure Elise's personality in any way he wills. As such, he can make her levitate, chase after an enemy at high speed, and make her save him from imminent peril by manipulating Elise as his ability. Moreover, he can notably summon Elise having a medical semblance and make her attack his opponents with a barrage of large medical equipment.[2]

Although Elise is powerful, Vita Sexualis apparently requires Mori's strength and energy. As a result, when infected by Alexander Pushkin's virus, summoning Elise takes a toll on the ability herself. In their battle, when Fukuzawa cut her down, she gets dismembered and eventually dissipates. As Mori's ability, Elise does not die, but it takes time and energy for Mori to resummon her.

Elise has shown her displeasure in Mori's ability in which she stated he always gets to "set the scene" and make all the decisions.[3] Yukichi Fukuzawa also describes Mori's ability to be quite repulsive.[2] When Vita Sexualis was separated from Mori during the fog incident caused by Tatsuhiko Shibusawa, Fukuzawa did not hesitate to quickly strike it down, calling both the separated ability and the real Elise to be a fiend regardless of the situation.[4]


Elise's past nature.

In the midst of the Great War, Elise used to be more subservient and borderline emotionless as Mori's ability. However, sometime after the war following Akiko Yosano's mental breakdown, Mori configured Elise to mimic the young Yosano's defiant personality, showing Mori's deep-seated obsession towards Yosano, whose stubborn nature Mori particularly fawned over during the war.[5][6]


Manga Appearances
Chapters in which the ability appeared/used
Anime Appearances
Episodes in which the ability appeared/used



The ability is a reference to Vita Sexualis (ヰタ・セクスアリス, Wita Sekusuarisu?), an erotic novel by Ōgai Mori in 1909, which has the style of I-novel. The novel was a semi-fictionalized account of his youth and early manhood with particular attention to sexual matters and sexual desires.[7][8]


  • In celebration of the series' volume 16 and Gaiden's manga publications, Sango Harukawa illustrated Elise in her former uniform during the Great War. She holds Yukito Ayatsuji's iconic doll Mei Misaki, and her shadow is in Yosano's shape, further establishing her current behavior mimicking Yosano's personality during the war.[9]
  • Elise appears as a grown woman – approximately in her early twenties – in the alternate world.[10]


  1. Bungo Stray Dogs Manga and Anime: Chapter 16 and Episode 12.
  2. 2.0 2.1 Bungo Stray Dogs Manga: Chapter 50.
  3. Bungo Stray Dogs Manga: Chapter 46.
  4. Bungo Stray Dogs: DEAD APPLE (Film).
  5. Bungo Stray Dogs Manga: Chapter 65.
  6. Bungo Stray Dogs Manga: Chapter 66.
  7. Vita Sexualis. Wikipedia.
  8. Literary Techniques and Themes in Vita Sexualis. Nakai, Yoshiyuki (1980).
  9. Sango Harukawa's official Twitter.
  10. BEAST - White Akutagawa, Black Atsushi -.

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