That’s fair to say and I respect your perspective.
I’m not sure how you enter Jhana’s, but Jhana’s are mental states existing in the 16 rupa realms and the four arupa realms.
Not really liking to use some of the current English translated materials from the Tipitaka, but this will have to do.
In the first big paragraph, it states that one who attains the first jhana and dies, they would be born with the “Brahmakāyikānaṁ” (highest 1st Jhanic state) which is part of the lowest rupa loka. This show’s the connection in regards to Jhana’s and rupa, arupa realms of existence.
The question we need to answer is, do Brahma’s / deva’s in the rupa loka have the indriya’s (sense faculties)? From my own understanding, the Brahma’s / deva’s in the rupa loka still have the eyes (cakkhu) and ears (sota) indriya’s (sense faculties) plus the mind (mano). Only the Brahma’s in the arupa loka doesn’t have the 5 indriya’s sense faculties. They only have the mano (mind) or the hadaya vatthu.
I can’t say with 100% certainty that I know exactly what you mean by “in Jhana you cannot even access the five senses and the will”
But from what I can understand base on what your saying. One is still accessing 2 (eye, ear) out of the 5 senses plus the mind (if that’s what “will” is to you) since the first jhana belongs to the rupa loka.
If someone attained the fifth level of jhana’s and higher which correlates to the arupa loka. Then I would agree that person wouldn’t be able to “access the five senses” but they would still access the mind (or will if that’s what you mean by “will”).