(btw.. You mentioned being ashamed of speaking your own language. This is an abnormal cultural-social belief. Thats something no one should feel badly for... So yeah, you have a social issue going on, if only in some ways.)

There is a concept in mental health called cognitive distortions. They are ideas that your subconscious develops based on your experiences, either good or bad, and that you use to predict future events and interact with other people.

If you have preconceived notions about what's going wrong with you, and stubbornly hold onto that position, no therapist will be able to help you, and you'll just spin your wheels in therapy.

Another reason why therapy can be unproductive is that you either consciously hide issues or practice self deception regarding what's going on in therapy. If a therapist isn't informed, they can't read your mind...

Lastly, not all therapists are (a) skilled in your particular problem set or (b) will mesh with you personality wise. (b) is theoretically more important than (a), but both matter.

Just because you saw one therapist and didn't get anything out of it, doesn't mean that will repeat with the next therapist (unless you were stubborn or deceptive, that is.)

Maybe just the fact that you're a little older will mean you have a different experience too.

It seems like you're a bit of a broken record. No one here can help justify your shame and guilt over masturbation, because sex isn't inherently dirty or bad. It's simply human.

No amount of posting in threads about sexuality or masturbation are going to fix this, because from my POV, that's the symptom, not the problem (although symptoms are distressing, but they get solved by fixing the problem.)

I'd repeat... Try therapy again. Maybe try to get an Asian therapist too? Try to take as open an attitude into therapy as you can, and you might find it to be entirely different experience this time.

EDIT: btw... If you want to dig and fill a ditch in replying to people on the Internet, and you're in a debate thats going nowhere, instead of picking out small parts of others' posts that you can answer, try answering the debated post as a whole. Picking and choosing what you reply to is practicing overt confirmation bias (believing things that agree with your existing beliefs, ignoring others.)