Miyu got married and started living with her father-in-law. However, as her husband became busier with work, their arguments became more frequent over trivial matters. Then, her husband decided to go on a one-week business trip. Miyu tried to come up with a strategy to improve their relationship during this opportunity, but she couldn't think of anything simple… Seeing Miyu at her wits' end, her father-in-law offered to teach her the secret to a harmonious marriage. Miyu was delighted, but her father-in-law demanded that she let him grope her chest in return.
