Tropical Island Maniacs: My Host Family is so Lewd! 6

Kei and Tamaki end up getting stranded at the local green grocer she works at after a powerful typhoon prevents them from heading back home safely. So what's a lovey-dovey couple to do all by their lonesome selves? Meanwhile, Akari's suspicions are all but confirmed after Tamaki nonchalantly pushes for her daughters (and herself) to sleep with Kei in turns.