Shibasaki is a high school student who works part-time at a convenience store. At work, he encounters a petite office lady and finds himself infatuated by her. Likewise, the woman's interest in the young man gradually increases—mainly due to his face resembling her cat's. With each brief encounter, the student and the office lady slowly grow closer during the five minutes they share at the convenience store.

Conveni de Kimi to no 5-funkan. is a web manga released on the author's Twitter account since October 2, 2018. The series was published as doujinshi on February 17, 2019, with volumes 1 and 2 being released at COMITIA 127. Official serialization began in Young Gangan on May 17, 2019.