The wife next door seduces me without panties

The world is an unprecedented boom in the Hyakunin Isshu. Yasuo, who lives next door, visits the Kayama family to ask Natsuko, who has become accustomed to the Hyakunin Isshu, for teaching. Natsu and Yasuo's training continued from that day. One day, Yasuo was about to take the card, and realized something. The fact that Natsuko is not wearing her pants! Yasuo couldn't hide his shock at the sudden turn of events, but as he began to play with Yasuo's gaze, Yasuo's unpunny Hyakunin Isshu continues to escalate day by day...