Rama is the seventh avatar of Vishnu in Hinduism, and a legendary king of Ayodhya in ancient Indian mythology.
Rama is one of the many popular figures and deities in Hinduism, specifically Vaishnavism and Vaishnava religious scriptures in South and Southeast Asia. Most of the details of Rama's life come from the Ramayana, one of the two great epics of India. Born as the eldest son of Kausalya and Dasharatha, king of Ayodhya, Rama is referred to within Hinduism as Maryada Purushottama, literally the Perfect Man or Lord of Self-Control or Lord of Virtue. Rama is the husband of Sita, whom Hindus consider to be an avatar of Lakshmi and the embodiment of perfect womanhood.
"A prince of Kosala and the seventh avatar of Vishnu. He is the protagonist of the epic poem, the Ramayana. He defeated Ravana the rakshasa, who was unkillable by neither god nor demon. His serious and earnest personality made him a popular hero in India."
—Devil Summoner: Soul Hackers 3DS Compendium
Rama can be obtained if Zeed is level 70 or higher and fused with Vishnu.
"A prince of Kosala and the seventh avatar of Vishnu. He is the protagonist of the epic poem, the Ramayana.in the story he shows great valor saving his wife and killing the evil demon Ravana. His serious but earnest demeanor made him a popular hero in India."