Hase Yuuki is interested in his unsociable classmate Fujimiya Kaori. Since he sits behind her in class, the only thing he ever gets to see is her back. One day, when they're alone in a hallway, he blurts out to her, "Would you become friends with me?". But her answer is, "I'm happy, but I can't."?! What is the reason for her answer?

Alt. Names : One Week Friend, Teman Seminggu
Author: HAZUKI Maccha
Artist: HAZUKI Maccha
Genres: 4-Koma, Comedy, Drama, Psychological, Romance, School Life, Shounen, Slice of Life
Type: Manga (Japanese)
Status: Ongoing