|Alias||Cigarette Receiver Jean|
|Relatives||King Falke II (Grandfather)|
Princess Schnee (Mother)
Karl Otus (Father)
Rotta Otus (sister)
Prince Schwan (cousin)
|Rank||2nd in Command|
Jean Otus is the protagonist of ACCA 13-ku Kansatsu-ka, the second in command of the inspections department at the ACCA head office, his nickname is "cigarette receiver" Jean. He likes bread and strawberries. Jean shows displeasure in working in ACCA and tried a few times of submitting requests for transfer something that Grossular denies as there were not such request sent. He lives in Celebrity Mansion in the center of the city and rooms on the top floor with his sister.
Jean was the son of Princess Schnee, the 2nd Princess of the Dowaa Kingdom, daughter of King Falke II and Karl Otus. The King gave Princess Schnee freedom and disguised her death in the sea along with Abend, a respected Guard Corps leader of Dowaa Kingdom tasked to be the Princess's personal guard.
When Schnee and Abend moved to Badon ward, Nino's father, a loyal retainer of Abend followed his master and took Nino along to help Abend in watching over Schnee. Upon arriving to Badon ward, Schnee parted with Abend, giving him total freedom however he continued to watch over Schnee along with his retainer. Nino's father secretly took photos of Schnee so he can send reports to Abend and King Falke on any kind of developments that happened in Schnee's life. Due to his father's role, Nino came to get accustomed in watching over Princess Schnee's family as well, even after she married Karl Otus and later gave birth to Jean and Lotta. When the train accident happened, Nino was told by Abend to retrieve his father's camera so that it won't be revealed that a member of Dowaa Royal Family is involved in the incident.