●The student Goro won a "Hawaii trip" in the neighborhood lottery and presents it to his mother, Chisato. However, upon seeing her after she returns home, he can't help but cry out. She is tanned all over with clear marks from her swimsuit. Goro can't stop his lewd fantasies as he sees his mother's tan lines while she cleans or does laundry. He desperately tries to suppress his desires, but when his mother says, "Mom, my body is hot and flushed, I feel like I'm going crazy...", he is overwhelmed…
