|Also known as||Mio|
|First Appearance||Majin Tensei|
The Heroine is the protagonist's main companion in Majin Tensei.
- Majin Tensei: Playable Character
- Majin Tensei: The True Remembrance: Heroine as Mio (ミオ)
- Majin Tensei II: Spiral Nemesis: Mentioned
After the protagonist fights his way into a mysterious building, he finds the heroine in cryogenic sleep. After waking up, she realizes she has amnesia and begs to go with the protagonist, as demons will eventually reappear at the laboratory where she was held.
Her origins are revealed should the protagonist spare Lucifer (which is only available on the best ending's route), where he reveals that he created her as a human of the Expanse to be the protagonist's companion on his journey, and can thus be seen as her father. She will fight against Satan and help defeat him, but will either be killed (along with everyone else) in the bad ending due to the missile strike, die getting the protagonist out of the Expanse in the normal ending, or will take a fatal curse for the protagonist when Satan attacks them one final time, but be revived thanks to the "Morning Star" Lucifer gave them earlier in the best ending.
Majin Tensei II: Spiral Nemesis
Although not being seen, the Heroine, along with the Protagonist is mentioned by Lucifer in the Neutral route as Masakiyo Ogiwara's true parents who saved the human world during a crisis, and left their child with the Ogiwara family.
|Sabbatma||2 MP (per demon)||Summon a demon from the COMP||4|
|Traesto||0 MP (costs half Macca)||Flee the current map, but lose half your Macca||4|
|Diarama||20 MP||Heals 1/2 of an ally's max HP||16|
|Agilao||12 MP||Attack one enemy with strong Fire||24|
|Bufula||16 MP||Attack one enemy with strong Ice||32|
|Diarahan||40 MP||Heal all HP for one ally||40|
|Posumudi||15 MP||Heal one ally of Poison||48|
|Paraladi||15 MP||Heal one ally of Paralyze||60|
|Patra||15 MP||Heal one ally of Close||72|
|Maragion||28 MP||Attack multiple enemies with strong Fire||84|
|Zionga||20 MP||Attack one enemy with strong Elec||92|
|Mabufula||32 MP||Attack multiple enemies with strong Ice||100|
|Mediarahan||60 MP||Heal 1/2 HP of multiple allies' max HP||108|
|Mazionga||36 MP||Attack multiple enemies with strong Elec||116|
|Rimdora||99 MP||Attack multiple enemies with severe Force||124|
- Proficiency determines when the heroine will learn magic skills, and is calculated with the formula
Proficiency = Level + (Magic * 2)