To eliminate the disadvantages that elements in an electronic game are few and a feeling of fun is lacking when persons know each other through an electronic medium.

In a personal information storage means A, a subject selecting a fisherman registers his personal information, and a subject selecting a fish registers his personal information. In a matching condition information storage means B, the information required for matching personal information mutually is extracted from among respective personal information. A restriction means C restricts objects having the possibility of mutual matching based on matching condition information. When a parameter computing means D lets a fisherman side perform any game and computes prescribed parameters, mutual personal information can be disclosed through the determination of a matching pripriety decision means E, and a personal information disclose means F discloses personal information in the step of contact.