|Race||Human (Later an Angel)|
|Location||Shinjuku Ward, Tokyo, Japan/Apos' Castle|
|Japanese Voice||Rikiya Koyama (小山 力也)|
|English Voice||J. Michael Tatum|
- Ihika is a businessman and Rin's lover during the time she has amnesia and calls herself "Saito Tamaki".
- When Ihika and Rin meet at a restaurant and spend a romantic evening together, he gets up his courage and asks her to marry him. Mishio, who is following Rin, sees the proposal get rejected. After some days, Ihika makes a new proposal that Rin finally decides to accept. The two make love, but are interrupted by Laura and get killed.
- Ihika reappears at Apos' castle, but Rin does not know it is him because he is a masked angel. She unfortunately kills Ihika and discovers his identity afterwords because of the distinctive tattoo Ihika had on his chest.