Saimin Seishidou / Sex training under hypnosis

The hentai is based on the original manga "Hypnosis Sex Guidance! / Saimin Seishidou " by Aiue Oka "50on!". 

"Rule one - My name is Hajime Tanaka and I will be your official sex trainer. Rule two - Before having sex with their boyfriends, all girls must undergo sex training with me. Kisses or sex without sexual instruction is a crime. Whoever commits this crime will be judged according to all laws of the criminal system. Rule three and last - You must obey your trainer without question... All guys who have girlfriends are obliged to bring them to me for training!" - these were the first words of the strange lust-obsessed hypnotist Tanaka-sensei, spoken from the podium of the student council...