The stimulating secret hot spring sexual escapade between the overindulgent female university student Riho and the super-potent professor is boiling with excitement! Her plump body and black pantyhose showcase an enticing allure that captures the heart immediately on the first sight. With plenty of teasing play and titty-fucking scenes, this work transcends mere erotica, leaving a unique charm. Especially the scene at the end where it spills from her mouth is sure to be a climax point! The blindfold play incites lewdness, further increasing the thrill. However, the bothersome male moans and the scenes where the screen darkens left some fans a little unsatisfied. The combination of hot spring infidelity and pantyhose is refreshing, and Riho's voluptuous figure creates a racing heart. Though there's some regret about the use of holey pantyhose, this piece turns out to be a rare masterpiece that undoubtedly provides enjoyment!