hello there,
In regards to the first suggestion, this is not needed as unlike a regular vn here most scenes are repeatable by just going to a location. If one gallery gets done, it will only be for the few scenes that are not repeatable.
As for the second suggestion, there is no cuckholdry for the main character, it's all based on player decision, there's no obligatory share routes, except when is obvious like Haniya, who is happily married with Gabriel and they decide to share with Mc. The only case where a share is needed is for the Japan trip, and this specific case is being thought out to be made to have a solo route.