Constace is known for his gentle personality. He get along very well with other Terminal Service #1's staffs. He seems to be a wise man, as shown when he talked to Tsukasa. He can get along well with Kazuki, who was a short-tempered person.
Constance, as a giftia, has a teen appearance. He has blue hair with red, rectangular glasses. At first, Tsukasa did not know that Constance was a giftia. Like all other members of staff, he wears standard uniform of Terminal Service.
Before the start of the series, Constance was selected as Kazuki's partner after her partnership with Isla disbanded.
At the first attendance of Tsukasa Mizugaki, Constance greets him warmly. He also tells him about giftia's lifespan of 81,920 hours or roughly 9 years and 4 months.
He once become Tsukasa's partner (in Kazuki's order). In a brief conversation, he also informs Tsukasa about Isla's contribution as the first Terminal Service staff to use the "emotional approach" before retrieving a giftia. Since then, Terminal Service #1 become the only Terminal Service branch office to use that method until now by Kazuki's request.
In the last episode, Constance drove with Kazuki to the amusement park to watch Isla and Tsukasa. After Isla was deactivated, Constance and other Terminal Service employees read Isla's letter and are shown speechless.
Kazuki Kuwanomi - As Kazuki's Marksman, Constance gets along well with her. It is shown that Constance is close to her.
Tsukasa Mizugaki - Constance is shown to be friendly with Tsukasa. He became a marksman for Tsukasa briefly after Kazuki disbanded Tsukasa and Isla's partnership for a while.
- Constance is known to play magic. This is briefly mentioned by Kazuki in Episode 10 and shown in episode 12.
- Constance has the most "normal" personality between the other Terminal Service staff