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In short, in shoujo manga (and even in not-so-great Western novels), the attractive love interests that readers are supposed to root for often spout creepy, awkward lines and generally have quite distinctive mannerisms. But all this creepiness is intended by the author to be perceived as romantic. If we take Western novels as an example, we don't have to look far – just remember "Twilight" and "Fifty Shades of Grey." And, as I see it, the collection of images is precisely what satirizes this aspect.