Hideki Araki, who boasts numerous accomplishments, will direct, character design, and storyboard.！！ Original work: "Pin-Point" / Illustration by Mr. Tofu / Screenplay by Mr. OZ / First OVA series of hentai CG collection with doujin obscene text collage！ A neat and cute young lady who is like a school idol.。 The anus that looked like a bud、 She is trained by a vertically split anal that is more erotic than a pussy.！！ Shizune Yukihira） A young lady who is both talented and beautiful. An idol-like figure who always has the highest grades in the school.。 By despising myself as the worst woman who actually feels pleasure through anal masturbation. I remember an irresistible excitement。 Takuma Ota） He is not sociable, has a shy and gloomy personality, and has no friends.。 An otaku and a paranoid lover of female anus.。 There are hundreds of thousands of anal images and videos on my smartphone.。 【STORY】 Takuma Ota secretly filmed the school's toilets and ranked each girl's anus. He was a perverted anal maniac.。 One day, Shizune Yukihira, a young lady who is an idol at the school, finds out about his secret.・・・！ Shizune, who knows the main character's secret, says... 「W-could you please train my anus?！？」 An unimaginable word is uttered。 How high will Shizune's anal training stage rank rise?！？ A young lady who I thought was very cute and innocent was trained to become anal crazy.！！