It's been a year since I got married to my husband who is a year apart. Her husband is often away from home for half the month on overseas business trips, and it is her son-in-law, Manjiro, who comforts the frustrated wife, Kurumi. Mother-in-law and son-in-law seek each other without worrying about being seen during the day at home when her husband is not around. One day, when Manjiro was playing with Kurumi's breasts, her breast milk started dripping... Manjiro, who hates milk,