Talk:Natsuki Subaru/Synopsis/@comment-2001:8003:443E:1100:707E:BF54:C32B:CC20-20180816235820/@comment-36536421-20180819004124

To add to the anon's explanation of 3), the writing on his arm was done by his own right hand, with his own handwriting. Within the chapter there was a section devoted to Subaru realising this, not to mention the writing was done in Japanese and not in whatever language Lugnica et al. use. Take that as you will,  but it was done with Subaru's own body, and with his own memories - whether he was possessed or whatever is down to speculation.