Jun Isoyama's official website and fan club, "Isoyama University," offers a unique interactive platform for fans to connect more deeply with the artist. The fan club provides members with a variety of exclusive perks, including member cards, priority booking for live events, and access to paid content on the site. Membership is available at an initial registration fee of 1,100 yen and an annual fee of 5,500 yen thereafter, with the membership period lasting one year from the registration date.

Members can enroll easily by completing an application form online. After registration, they will receive a member number and a card by mail, ensuring that they can enjoy benefits such as exclusive events and ticket reservation opportunities. The fan club emphasizes the importance of reading the club’s regulations to understand the rights and obligations of members. Additionally, the site offers a dedicated support structure for registration inquiries and clarifications about membership privileges, thereby enhancing the overall fan experience in a secure and engaging environment.