Yuki is a class representative. Her husband is often away on business, and she is frustrated. Her ass has gotten bigger, and her partner, a serious class representative, is staring at her defenseless panty shots. When he drops his girlfriend off at the reunion, her husband is away on a business trip, and she is frustrated. He kisses her when she invites him, saying, "I'm serious too." They play molestation in the kitchen, and their Kokoro is heightened. He puts his fully erect penis deep in her mouth, plays with her body, and then fucks her from behind in the kitchen! His erotic face is reflected in front of the mirror as he penetrates her, and they embrace each other in bed to confirm their love, and when they take a shower, he gets erect again...