My first advice would be to ditch those friends of yours as they’re a bad influence. However if you’re afraid of letting go please have a look at these options:
It’s a UK link but the search on your local Amazon, reviews or other techsites might help you find a solution for your problem.
I haven’t used a dedicated cool case myself since I was too cool for cool cases so i can’t help you on the review or experience part.
On sites like PhoneArena there’s also reviews which may help you choose your next futuristic device.
However, I hope I didn’t offend you in any way. That’s just me being a smart ass jerk sometimes.
Here you go noobie:
https://www.japanesewithanime.com/2017/05/quotation-marks-japanese.html?m=1
Nested Quotations
Like in English, when a quote contains a quote within, the quotation marks alternative. Typically the single quotation marks (「」) are used for the outermost quote, and the innermost has double quotation marks (『』).
Hanako wa “hai” to itta 花子は「はい」と言った Hanako said “yes.” Tarou wa “Hanako wa ‘hai’ to itta” to itta 太郎は「花子は『はい』と言った」と言った Tarou said: “Hanako said: ‘yes.’”