龙刻 RYU-KOKU
Magatama (Dragon Carving) in Minouchi
Hidden within Minemori High School, it is a jewel that can amplify people's thoughts and transform them into power.
Tomoka Kuin (Ryu-KOKU)
A first-grade transfer student, responsible for raising animals, solitary, and fond of calligraphy.
Setsuna Abe (Dragon Dragon's Mark, RYU-KOKU)
The school health office doctor often intervenes in students' troubles and is also an adult with negotiable issues.
Miru Minouchi (RYU-KOKU)
A second-year transfer student, claims to be Tsukasa's cousin and fiancée; Tsukasa couldn't confirm her own memories.
Aina Kasagi (Ryu-KOKU)
The main member of the girls' kendo club, fond of childhood friend Tsukasa, but finds it hard to express it directly.
Tsukasa Mizuuchi (Ryu-KOKU RYU-KOKU)
A second-year student in the kendo club at Minamori High School, childhood friend of Aina, involved in the school's magatama and supernatural incidents.
Tianzaki (Ryu-KOKU)
A newly born supernatural creature appearing as a girl, approaching and attacking Tsukasa; The opening material does not explain the full motive.
Dragon Seal RYU-KOKU
"Dragon Beast RYU-KOKU" is a modern legendary romance adventure developed by KID, centered around strange and demonic creatures in school and a magatama that can magnify longing. The protagonist, Tsukasa Mizunai, repeatedly dreams of a woman in tears, and then meets a girl named Kiryu, who claims to be a relative.