Four additional teasers for “I” have recently been released through Taeyeon’s website. One new 照片 is shown above and the remaining are 发布 below. Video teasers for the “I” 音乐 video will also be released later this afternoon through Taeyeon’s Instagram and the everyshot phone application

Taeyeon’s first mini-album is now available for pre-order through online retailers, including YesAsia (poster in tube, no poster), KTOWN4U (poster, no poster), KPOPTOWN, and Gmarket.
Original 文章 from October 1st, 2015:
Taeyeon’s official website, opened yesterday for her upcoming solo mini-album release, has just revealed four additional teaser 照片 for “I”. Yesterday’s teaser 照片 can be seen here.