>>74375>La Blue Girl seen on realplayerYou just unlocked a memory for me. That was ALL people talked about in terms of hentai in the early web back then and probably what led to the association of hentai with tentacles. It was probably only second to Bible Black in popularity. Nowadays there isn't much of this association anymore, but it was strong before.
And as for my first hentai I have no idea. I'm the same person who made:
>>>/qa/121734 and I can't remember most of the names of the stuff I played/watched back then. I still need to do a through check on that list.