Orange Anime Title Meaning. I believe the orange part of the title alludes to the Malayan word orang which means man hence orang-utan translating as old man of the forest Burgess spent some years in Malaya in the late 50s working as a teacher. Burgess has written and spoken about the title on several occasions.
The Naho from ten years later repeatedly states that she has many regrets and she wants to fix these. There seems to be a lot of explanation in the comment section of your answer. Those who fall into the Guren Hell are said to have their skin torn and blood bleeding due to the cold becoming like a crimson lotus flower.
For example Shoto Todoroki from My Hero Academia means Burn and Freeze.
There are a multitude of little things Orange nails with its direction. Sometimes hair color simply matches hair. The Naho from ten years later repeatedly states that she has many regrets and she wants to fix these. Anime focuses on the face so the idea of rising blood pressure combined with this to create the nosebleed.