@tanzinaahmed1 well, she didn`t really have the time to think about what would be the best choice to say like us. She also had a sword on her neck and was pretty terrified to think rationally, so give her some slack. She could have thought it better through before confronting him, but she...
Interesting how it`s explained why they are wearing such revealing clothes in a isekai unlike all the others I saw that did it just because of fan service.
I bet the killer is either the girl together with the painter dude or just the girl alone that gives the painter dude some infos how he should paint his works and the dude has no idea and is just a creep.