Nurse number two is the malicious Kurokawa.
Kurokawa demands “sincerity” from Yamada in exchange for his treatment. Left with no choice, he agrees and is used for Kurokawa’s revenge.
After being jerked off with an onahole, Yamada unleashes a flood of sperm inside Tachibana’s locker, coating the belongings inside.
Now at his lowest point, Kurokawa treats him as “fellow trash.”
“How will the ‘trash dick’ and ‘trash pussy’ get along?”