About This Trend
The hashtag #アイに行きマス is a promotional campaign for the 20th anniversary of the Japanese idol simulation game and media franchise, Idolmaster.
According to multiple sources, including Jiji.com and Asahi.com, the campaign features a series of advertisements with unique illustrations for each of Japan's 47 prefectures. Fans are encouraged to share their findings on social media using the hashtag #アイに行きマス. The campaign kicked off on July 28 and is part of the franchise's year-long celebration, which includes a live concert and special events.