Gosoku-ryu Shinken learning ancient Kobudo katas while developing his own for his school. The Kobudo kata created by him include: Takemasa Okuyama and Temoanarupe Inuhaere are ranked as 8th dan. Several people were awarded the rank of 7th dan and title of Shihan in Gosoku-ryu: Gosoku-ryu The International Karate Association (IKA) was formed in Tokyo, Japan in 1953 for the purpose of teaching and promoting the Gosoku style of karate. Gosoku-ryū, "the style of force with speed", incorporates the methods of Goju-ryū and Shotokan karate with aikido, jujitsu, and judo. It is applied so as to encompass any attacker from all
Ryu Se-ra Ryu released her first solo EP album "SeRen:Ade". On September, 2015, Ryu held her first solo solo concert in Hongdae, for which 600 people attended. In March 2018, Ryu founded a new agency OCTO and announced that she will continue solo activities with her real name, Ryu Se-ra. An agency official has stated that the name OCTO carries a meaning of a new beginning. On March 2, Ryu released a single album "Stay Real", managed and published by her new agency. Later that month, Ryu held a second solo concert titled "Spring Rain" at Olympic Hall Muse Live stage, followed