【I told my first lie to my boyfriend...】A thought crosses her mind as she stands before marriage. "I've never even had an orgasm, let alone ejaculated..." Although she likes her boyfriend, she feels that if things continue this way, she'll end her life without knowing anything! And so, she resolves to embark on an AV, her first and last little secret... Excited by the sense of transgression, she orgasms and ejaculates repeatedly! ...And then, during filming, an unexpected call from her boyfriend!?! Short-haired, cute nursery teacher 'Toukyou Yui' makes her real NTR documentary AV debut!