SEI-007 You will be able to make yourself squid even if you are short or small! A lecture by a sex professional mixed with practice Vaginal sex [MGS video only! With bonus video]

SEI-006 you can ejaculate continuously! A lecture by a sex professional mixed with practice Unequaled sex [MGS video only! With bonus video]

SEI-004 (Provisional) Really pleasant sex explained from a female perspective! An AV Actress Lectures With Practice You Will Be Squid!

SEI-003 ! A complete lecture with sex professionals practicing Really pleasant sex [AV that can be made into a textbook]