Eriko Ishii, a former elementary school teacher with two sons aged 10 and 5, makes her first appearance. The educational mom who looks good with short hair and glasses also has great charm! She has lived a serious life without any cheating until now, but her frustration exploded with the drastic decrease in her nightlife due to her husband's promotion, and she decided to appear in an AV. She was engrossed in sex as if to relieve her daily frustration.