Aren't there any sects or temples that aim for individual salvation?

If you unravel history, religions, including Buddhism, have changed their shape according to who they are proselytizing.
For example, when Buddhism first entered Japan, those in power who wanted to save the entire country sought Buddhism. Since then, high priests from the Tang dynasty were invited and Buddhism was actively adopted, worshipped mainly by the aristocrats and royal families, and Buddhism was nurtured to meet the needs of the aristocrats and royal families.
Also, the times have passed quite a bit, but since the targets of missionary work became samurai and peasants during the Kamakura period, advanced teaching was not necessary, and people believed in nembutsu and titles that could be put into practice as easily as possible due to the need to be saved from the current situation anyway. Thus, Buddhism changed its form along with the times and with the target audience.
If you turn around and look at modern society, the target for proselytizing has changed from two to three households → nuclear families → individuals. Therefore, in the coming era, I think there will be a demand for Buddhism that is needed by individuals, and Buddhism that is specific to individuals.
The reason I started Hasunoha was also because I wanted to commit to each person and pass on Buddhism from such a background. Religion is made of people. There is no example of a religion that has survived due to a religion that did not respond to people's needs.
If Toshi doesn't feel well or seems worried, please contact us at ぜひatukunn18@gmail.com. I hope I can help Toshi even a little bit.

You've been seconded to various places to learn, aren't you? It looks like there are things that still can't be solved.
What personal concerns do you have?

replying
Is it the original one?
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Monks are still immature ascetics who are far from being Buddha, so I think it's difficult to solve your problems, but it's also because they were born in the same era due to something.
see you later.

　I think it is a characteristic of Japanese Buddhism that sells each denomination rather than Buddhism.
In (Theravada) Buddhism, starting with the Japan Terawada Buddhist Association, you can learn the teachings of the Buddha from before the denomination, regardless of denomination. You can learn Buddhist doctrines, but there is also a way to solve each person's problems. Why don't you ask?
I don't think it will work if you ask someone else to do it.
“Please let Buddhism solve my problems.”
“Understood. Focus your mind first and just watch your mind change.”
“No, it would be nice if they solved my problem.”
“In order to solve your problems, you must first discover the true nature of your worries.”
The Buddha and his disciples have worked out solutions such as these.
I think it will work well if you take on the challenge with the feeling that you will work hard on your own to solve your own problems, and that Buddhism will only teach you tips and methods for that.