「ねぇ、授業中にオナニーしたことある？」誰もが一度は妄想する、スリリングなシチュエーション！！！クラスの女子生徒たちの話題はいつも自分のハマってるオナニーの話ばかり！！真面目な学級委員長、優等生の吹奏楽部長、学年一の秀才から、押しに弱い体育会系まで……普段は平穏を装っているけど抑えきれない性衝動を抱えたスケベ少女6名が授業中に●生の目を盗んで絶頂を目指す隠密自慰行為に挑戦！？さらにムラムラが止まらない彼女たちは「放課後のオナニー発表会」へ！自分が今ハマってるオナニーの発表会！！自分で絶頂して、友達の絶頂をみて全員大興奮！女の子だらけのレズ絡みイカせ合いに発展！？さらに男子が入ってきた！？今、オナニーの話してた？？女子たちは「私たちの見せるなら、男子のオナニーも見せてよ！」と男子を巻き込み、机の上での恥じらい自慰、秘蔵のオナホやバイブの品評会、そして男女入り乱れての中出し大乱交に発展！！さらに、授業の合間に展開する個別のムラムラ●春エッチもたっぷり収録した大ボリューム299分！ヌキどころ満載！是非お楽しみください！

"Hey, have you ever masturbated during class?" A thrilling situation that everyone fantasizes about at least once!!! The girls in the class are always talking about their favorite masturbation topics!!! From the serious class president, the top student and band president, to the smartest student in the grade, to the easily swayed jock… Six horny girls who pretend to be calm on the surface but harbor uncontrollable sexual urges try to sneak into class and reach orgasm through covert masturbation while the students aren't looking!? And as their lust can't be contained, they head to an "After-School Masturbation Presentation"! A presentation of the masturbation methods they're currently into!!! They reach orgasm themselves, and everyone gets excited watching their friends reach orgasm! It develops into a lesbian frenzy of girls getting off together!? And then a boy comes in!? Were we just talking about masturbation?? The girls challenged the boys, saying, "If you're going to show us, you should show us your masturbation too!" This led to shy self-pleasure on desks, a judging of their prized sex toys and vibrators, and then a wild orgy with boys and girls mixing together and cumming inside! Plus, a massive 299 minutes of individual, horny spring sex scenes that unfold between classes! Packed with opportunities to get off! Please enjoy!