This is a new publication of Kusano Beniichi’s personal circle Beniya’s comics 1 25.
From my childhood friend Kasumi, who says she’s the only one who’s never seen sperm come out.
Shinichi is asked to show him where his sperm comes out.
To show off his sperm in order to gracefully refuse Kasumi’s ridiculous request.
Kasumi suggests that she show him naked because she needs a sidekick, but Kasumi says
Shinichi was shaken by the unexpected reply.