Juku Ren is one of the male students that currently attends Akademi High School.Juku Ren est un des étudiants masculins qui sont actuellement a l'Akademi High School.
Juku Ren wears the default male school uniform, unless customized by the player.
Before the Febuary 15th, 2016 Build, he had light brown hair. His eyes were brown as well. His hair was spikier than Senpai's default hair, with loose brown strands jutting out from the right side. This hair was a mirrored and recolored version of Riku Soma's hair.
As of the February 15th, 2016 Build, his hair is very similar to Senpai's default hair, but with hair tufts on both sides.
He wears a white headband with Japanese symbols on it. If the club disbands, he will not wear the headband anymore.
When in the Martial Arts Club, he will don a traditional sparring outfit.
He was previously a Hero, but he is currently a Teacher's Pet. If he sees a corpse or witnesses a murder, he will report to his teacher.
At 7:05 AM, Juku enters the school grounds, twenty-second in line on the right side, if facing the school gates. He walks to his locker at 7:10 AM. At 7:15 AM, he walks to the Martial Arts Club on the second floor.
At 8:00 AM, Juku walks into Classroom 1-2 and sits at his desk. He starts his morning classes at 8:30 AM, and leaves to go back to the Martial Arts Club at 1:00 PM.
Juku walks to class again at 1:30 PM and finishes his afternoon classes at 3:30 PM. Afterwards, he heads to the Martial Arts Club and stays there until the end of the day. If the player joins in club activities, he practices kicking with the other members from 5:30 PM to 6:00 PM.
If the Martial Arts Club is inactive, he will socialize with the other former members outside of the club during periods when he would normally attend it (7:15 AM, 1:00 PM, and 3:30 PM).
- He is an apprentice-level disciple of Budo Masuta, as said in his Student Profile.
- He was implemented in the November 15th, 2015 Build.
- His name is a play on words. "Jukuren" (熟練) in Japanese can mean either "skilled" or "proficient", although this does not reflect Juku's strength level, which is "very weak".
- On the January 1st, 2016 Build, his persona changed from Heroic to Teacher's Pet.
- He is the only student in the Martial Arts Club who does not have the Heroic persona.