Nankuru Nee-San

Briefly about Nankuru Nee-San manga:

Nankuru Nee-San is a Japanese film about Issa, a young man who worries and concerns himself too much over many different things, and spends his life being harmless and inoffensive. One day he meets a beautiful, tanned girl named Nee-san. This young girl uses a smartphone with a cracked screen, goes into restaurants without caring about their online ratings, and makes curry without caring about the star rating listed on the front door. She teaches Issa how to live life more carelessly. He finds out that worrying too much can wear you out and kill you so Nee-san encourages him to not