She is one of the 8 identical humans that created from genetic material collected from the male and female agents with the top results over three generations of agents who have gone through the facility. She develops romantic feelings for Fujimaru after she was told by Fujimaru that she is not just a clone but an individual. And later in Season 2 it appears that she and Fujimaru are in relationship.
No.3 is actually three people with one playing the role of Kortik No.3. This pig-tailed killer has a great pleasure in her kills and wants to kill Alyosha to prove she is the best. She is Alyosha's clone.
Usually simply called "Uka-sama." She is the god who lent Inari her power. Despite of being a god, she has great interest with otaku things and usually is playing games in her room. She appears to have feelings for Tohka, much to the disdain of her fellow gods and mother. She later shows that she loves Touka and nearly kisses him. (Source: Wikipedia)
A mysterious figure who watches Souta and his interactions with the various girls. Though she seems antagonistic, she has also helped them out, such as eliminating a renegade android attacking Souta, Nanami, and Hakua. She is later revealed to be Kagura Bladefield, the founder of the Bladefield Principality, who also bears a striking resemblance to Nanami, one of the current princesses of the kingdom.