|Club|| None (since 10/16/16)
Art (12/2/15 -- 10/16/16)
|Persona|| Teacher's Pet (since 3/3/15)|
Loner (4/15/15 – 4/17/15)
|Appears||Week 1 (Debug)|
He has spiky cobalt blue colored hair swept up and back to the right, with two strands sticking out to the right on his face. His eyes are dark cobalt blue.
As of the September 1st, 2017 Build, he wears blue framed glasses.
Among the types of personas included in the game, he is a Teacher's Pet. If Ryusei sees a corpse or witnesses a murder, he will report to his teacher, unless another Teacher's Pet already has. He will give Yandere-chan a suspicious look before crossing his arms if she aims her phone at him. He cannot participate in physical fights.
At 7:05 AM, Ryusei enters the school grounds. He walks to his locker at 7:10 AM and changes from his outdoor shoes to his indoor shoes. At 7:15 AM, he walks into the plaza, to the right side of the fountain, and gossips with Haruto Yuto, Sota Yuki, Hayato Haruki, Sora Sosuke, and Riku Soma.
Ryusei walks back to class again at 1:30 PM and finishes his afternoon classes at 3:30 PM. He then heads to his locker and changes from his indoor shoes to his outdoor shoes, then he lingers there until 3:50 PM, when he walks home.
- His name is a reference to the most popular male Japanese names for 2012, 7th most popular being Ryusei, 8th most popular being Koki.
- His female counterpart is Mei Mio.
- His hair was modeled after Lloyd Irving's from Tales of Symphonia.
- Before the June 29th, 2016 Build, Ryusei arrived on school grounds 11th in line on the left side, at 7:05 AM.
- Ryusei was the only student in his group to not change persona in the September 1st, 2017 Build.