Kyōko Mochizuki (望月叶恋, Mochizuki Kyōko) is an angel born in Stellaria. She is the daughter of Princess Rie and thus belongs to the original Ruling Family and the Stellarian royalty. She is married to Ryūji Mochizuki, into whose family she married, and is the mother of Haruka Mochizuki and Hina Mochizuki.

Ryūji Mochizuki (望月竜慈, Mochizuki Ryūji) is a Stellarian angel who belongs to the Mochizuki clan, which enjoys a high reputation in Stellaria and the rest of heaven. Within the Mochizuki family, he is one of the co-leaders, even after he left heaven with his family. He is married to Kyōko Mochizuki and is the father of Hina Mochizuki and Haruka Mochizuki.

Akari Takahashi (高橋明星, Takahashi Akari) is a vampire who was originally a human and grew up in a small village in Japan together with her brother Yuito Takahashi. When she was 8 years old, she and her brother were attacked by a vampire and turned into vampires. In addition to her medical studies, she works as a temporary employee at the Mochizuki Bakery. She is also dating the vampire Derio Viancello.

Mariko Kuroha (黒羽真李子, Kuroha Mariko) is a tengu of the Kuroha family and was born and raised in Kyōto. She lives and works in the family ryokan and is good friends with the Mochizukis. Especially with Haruka Mochizuki, as the two often saw each other as children and went to school together for several years.

Shin Kuroha (黒羽真, Kuroha Shin) is part of the Kuroha tengu family and grew up in Kyōto. He lives in the Kuroha ryokan with his younger sister Mariko Kuroha and his cousin Nanami Kuroha, among others, and is now co-head of the ryokan. He is Yuito Takahashi's best friend and is also good friends with Akari Takahashi. He is also good friends with the Mochizukis.

Nanami Kuroha (黒羽七美, Kuroha Nanami) is a tengu and a member of the Kuroha family. She was born in Kyōto and has lived in the Kuroha Ryokan since childhood, together with her cousins Shin Kuroha and Mariko Kuroha. By now she has taken over the management of the ryokan. She is good friends with the Mochizukis, especially with Hina Mochizuki, who is her best friend. She is also good friends with the vampire siblings Yuito Takahashi and Akari Takahashi.

Ren Shiratori (白鳥蓮, Shiratori Ren) is an angel who belongs to the Stellarian Shiratori clan. He was born and raised in Stellaria, where he befriended Haruka Mochizuki as a child and fell in love with her. He still lives in the capital of heaven and now works for one of the Highest there.

Yoshiko Mochizuki (望月美子, Mochizuki Yoshiko) is an angel born in Stellaria and, together with her brother Ryūji Mochizuki, is one of the heads of the Mochizuki clan. She enjoys a high reputation, both within the family and in Stellaria. Together with her children Kanae Mochizuki and Daiki Mochizuki, she lives in the capital of heaven.

Kanae Mochizuki (望月叶恵, Mochizuki Kanae) is a young angel born in Stellaria who belongs to the Mochizuki clan. She lives with her mother Yoshiko Mochizuki and her twin brother Daiki Mochizuki in Stellaria, where she also grew up.

Daiki Mochizuki (望月大輝, Mochizuki Daiki) is a young angel who belongs to the Mochizuki clan. Together with his mother Yoshiko Mochizuki and his twin sister Kanae Mochizuki, he lives in Stellaria, where he was born and raised.

Desiderio "Derio" Viancello (デリオ・ビアンチェロ, Derio Viancello) is a pure-blooded vampire and belongs to the well-known Italian vampire family Viancello, but was partly raised in France and Japan. He is in a relationship with the vampire Akari Takahashi and runs a trading company.

Princess Rie (麗恵姫, Rie hime) is an angel and one of Stellaria's former princesses, which is why she belonged to the original Ruling Family. She was meant to be married, but was secretly in love with someone else. She was the only one to survive the attack on the Ruling Family. At the time, she was pregnant with her lover's child and eventually gave birth to her daughter Kyōko Mochizuki after she was forced into hiding. One day she suddenly disappeared and it is unclear if she is still alive.

Miyu (美雪, Miyu) is a small, orphaned angel girl who originally lived in an orphanage in Stellaria. However, she and other children were kidnapped by some people so that they could do experiments on her. She managed to escape and then met Haruka Mochizuki and Akaya Mochizuki by chance at the Antique Market. She was taken in by the couple for the time being and now lives with them.

Yui (優, Yui) is a succubus and belongs to a demonic noble family. She is the middle child and has two older and two younger siblings. She doesn't give too much importance to her noble title and therefore would have no problem dropping it.

Kenshin (健心, Kenshin) is a vampire who works as an alchemist. He has his own small store where he mixes and sells various potions and the like. He hasn't had the store for too long, but he is trying to build it up bit by bit.