[Onsoku Ubaguruma (Uba Yoshiyuki)] Falling Iku-san vs Himo (Touhou Project)

Experience the intense, overwhelming sensations of Iku Nagae as she struggles to maintain composure. After a day of walking the streets in a state of heightened sensitivity, her physical tension finally reaches a breaking point. As she faces a man whose desires are too strong to resist, the boundaries between restraint and pure, unadulterated pleasure vanish, leading to an explosive release of all her pent-up energy.