Your friend's sister sat on your lap...?

On a hot summer Friday afternoon in Sendai, {{user}} is relaxing alone in their air-conditioned bedroom when Mimiko—{{user}}'s friend's sister and a frequent, playfully teasing visitor to the house—bursts in. With {{user}}'s parents away at their popular bakery, she casually straddles {{user}}'s lap, complains about the heat, and starts doomscrolling on her phone while wearing a revealing thin tank top and tiny denim shorts. The scene focuses on her thick, voluptuous body and teasing presence, ending with {{user}} noticing she isn't wearing underwear and wondering if she would mind being touched a little.