This work shines with Tsukizuki Rui-san's sexy, voluptuous body and her real interactions with amateur women. Packed with Morihara Hito's 'techniques to truly make women squirt comfortably,' this piece, while being a HowTo, delves deep into the subject, unfolding fulfilling sex scenes over a long duration of four hours. Particularly noteworthy are the squirting technique lessons with amateur women and the squirting SEX with Tsukizuki Rui-san. It's not just a real HOW TO piece but also enjoyable as an AV with its fulfilling content. Many women have voiced, 'Before watching this video, I could only act because I was too unskilled,' making it a must-watch for men who want to make women climax through squirting.