Hikaru, my sister, was plotting to take my brother Masaru's virginity. Masaru, in his puberty, was also aware of such Hikaru. Hikaru persistently tempted Masaru without a bra, and when Masaru could no longer endure it, he tried to touch Hikaru's slightly swollen breasts while she was sleeping. However, it was Hikaru's trap! The next day, Hikaru scolded Masaru about this incident, and instead of forgiving him, she made him wear an eye mask and put his hand on the zipper of his pants...
