あの子とお花見デートして本気セックスしてみた is a title for an adult video. The video features a romantic date during cherry blossom viewing followed by intimate scenes. The main actors are not specified in the title, but it indicates a scenario where two characters engage in passionate sexual activity. The video likely includes scenes of outdoor settings during cherry blossom season, as well as more intimate indoor scenes. Screenshots would typically show the characters in various romantic and sensual poses, capturing the atmosphere of both the date and the subsequent intimate moments.