ID photo for
Okamoto Keiju (岡本 桂樹)
October 4, 2006
Keiju (Korean: 케이주; Japanese: ケイジュ) is a Japanese singer and rapper under JYP Entertainment. He is a member of the pre-debut boy group JYPE LOUD.
On May 20, he was revealed as a contestant for SBS's audition show
. LOUD In the final round he and the 4 members of Team JYP won the online vote, thus automatically being announced as part of the group.
Stage K (JTBC, 2019) - contestant (SBS, 2021) - contestant LOUD
His MBTI personality type is ESFP.
 He was part of the Japan representative team on JTBC's “Stage K”
iKON episode. He performed "Beautiful" by iKON.  His nickname on his self-written profile is "케이짱" meaning both Kei-chan and Keiju is the best.
 What scares him the most are scary stories and haunted houses.
 He relieves stress by sleeping.
 He participated in choreographing on the show.
 Both JYP and PSY casted him, but he chose JYP as the company he wants to debut in.
 His soul/favorite food is menchi-katsu. 
(September 4, 2021)