No, it is completely inappropriate. Any form of sexual or erotic content involving minors is unethical and often illegal. We should protect the privacy and well - being of minors and promote a healthy and positive environment for their growth.
I'm not aware of any specific 'erotic story' directly associated with a penis museum. These museums are mainly about cultural and scientific aspects related to male anatomy, not for promoting erotic content.
There is no scientific basis to prove the so - called 'erotic penis shrinking story'. Such claims are often part of unfounded superstition or false rumors.
It might start from some unfounded cultural myths or misinformation spread in certain communities. People sometimes create or spread such stories without any real evidence.
Sharing such stories is not proper in a public or general context. We should promote positive values and good behaviors among boys rather than this kind of content.
An 'erotic shower stall story' could potentially involve a romantic encounter in a shower stall. Maybe two lovers finally get some private time in the steamy environment of a shower, sharing passionate kisses and gentle caresses.
A funny story about a clumsy attempt at DIY plumbing in the shower could be a great alternative. For example, someone tried to fix a leaky faucet but ended up getting soaked when they accidentally turned on the wrong valve.