Would him wearing clothes made from shapeshifter flesh be an issue? The pool test at Liz's pretend bf event was lucky because MC had a changing room. But if MC ever needs to change clothes in front of others, like during his fighting class... the melting clothes would expose him. What if he attaches a few hair size tendrils to his clothes when he takes them off? Get a chameleon and improve his color changing ability. Would that be a hard to notice method which would stop people from discovering the issue when he's forced to change clothes?
Great game by the way, looking forward to more.
Edit: I wonder if the shapeshifting power was inspired by the novel Super Minion?