Ken Takezawa

Part of Ichishin Holdings Co., Ltd., Ichishin KK is a Japanese company that operates learning schools and preparatory schools in Japan. The company is based in Tokyo, Japan. Its offerings include "Ichin Gakuin" for junior high school and high school examinations, "Ichin Preparatory School" for university entrance examinations, "Jitaro Juku" provided by individuals, and tutors and video lessons. The company provides exam preparation guidance, regular test countermeasures, intermediate and terminal exam preparation, and internal application countermeasures.

ING Co., Ltd. engages in supplemental educational services for students and working people. Its business includes early childhood education, tutoring elementary, junior high school and senior high school students, vocational courses for college students and social workers and English language education. It also provides employment support and temporary staffing services. The company was founded on August 1, 1969 and is headquartered in Osaka, Japan.

Gakken Jyuku Holdings Co., Ltd. operates as a holdings company with an interest in educational services. It runs educational institutions through its subsidiaries which offer early childhood education and tutoring for elementary to senior high school students. The company was founded on April 1, 1947 and is headquartered in Tokyo, Japan.