Gandharva (ガンダルバ, Gandaruba)? is a demon in the series.
Gandharvas are male nature spirits that are said to be the husbands of Apsaras. They are said to be part animal, usually a bird or horse. They guard the soma, the ritual drink of the gods, and are said to make music for the gods in their palaces. Gandharvas are also said to act as messengers of the gods. They are said to follow Jikokuten, one of the Four Heavenly Kings.
"Origin: India. A musician spirit of Indian lore. He has a winged upper body and the lower body of a bird. His wife is Apsaras. In Buddhism. he is one of the eight legions."
—Shin Megami Tensei A-Mode DDS Dictionary
Shin Megami Tensei IMAGINE
"An element of Indian and Persian mythology. It appears as a winged man from the waist up and a bird from the waist down. Gandharvas are the lovers and mates of Apsaras, water elementals. They are known as the protectors of Soma, the drink of the gods, and also as the musicians of the heaven. In Buddhist tradition, they are revered as one of the Eight Legions."
—Shin Megami Tensei IMAGINE Compendium
Gandharva can be contracted in Suginami field and can spawn in the lower corner of the map with Apsaras. They appear as support to Jikokuten when he acts as a boss in Old Ichigaya Camp and as support to Titania and Oberon in the Shibuya Quartz gold boss room. Notably, they are one of the few demons that learn Rising Upper.
Megami Ibunroku Persona
Gandharva are demons of the Yoma Order and begin appearing in groups in the SEBEC Building basement.