[Machine Translation] Anniversary(?) Miyako, who had forgotten her anniversary (?), decides to go on a date with Mr. Matsumoto for various reasons. What is Miyako's fate? In addition, Koyori-chan becomes the "strongest sister" through hypnosis, and she is busy arranging the angels' hairstyles! And then, the cultural festival is approaching for the first time in a year.... The special edition comes with a booklet in addition to the original manga "If Miyako were my sister" by Nanatsu Mukuraki!