a.java

Model model = repo.findById(22L);

ModelAddress modelAddress = new ModelAddress();
modelAddress.setIdModel(model.setIdModel());

Optional<InstitutionAccountDocument> addressResponse = repoAddress.save(modelAddress);

// normal here
addressResponse.ifPresent(modelAddressResponse -> model.setModelAddress(singleList(modelAddressResponse)));

ModelEmail modelEmail = new ModelEmail();
modelEmail.setIdModel(model.setIdModel());

Optional<InstitutionAccountDocument> emailResponse = repoEmail.save(modelEmail);  // here is a evil/error

emailResponse.ifPresent(modelEmailResponse -> model.setModelEmail(singleList(modelEmailResponse)));

model.java

class Model {
  
    @OneToMany
    @NotFound(action = NotFoundAction.IGNORE)
    @JoinTable(
            name = "model_address",
            joinColumns = @JoinColumn(name = "idModel"),
            inverseJoinColumns = @JoinColumn(name = "idModelAddress")
    )
    private List<ModelAddress> modelAddress;
  
  
    @OneToMany
    @NotFound(action = NotFoundAction.IGNORE)
    @JoinTable(
            name = "model_email",
            joinColumns = @JoinColumn(name = "idModel"),
            inverseJoinColumns = @JoinColumn(name = "idModelEmail")
    )
    private List<ModelEmail> modelEmail;

}