a son who hates studying and is a ronin (a student who has failed the university entrance exam and is retaking it). he enjoys taking pictures, but he doesn't go in that direction, and his mother was at her wit's end. at that time, she remembered akari, a friend who used to be a tutor. akari gladly accepted and agreed to be the son's tutor. akari said that if he works hard, she will give him a reward, and his grades gradually began to improve, but...