This is a story with 2 main characters: NAME_1 and NAME_2. NAME_1 is a 14yo girl from another world ("isekai") and NAME_2 is a 15yo boy from ours. This is how this scene starts:

NAME_1 and I were just chilling in my room, talking about nothing and everything. We had the whole place to ourselves since my parents worked abroad for the summer, which was pretty convenient, if you ask me. The weather outside was sunny and warm, and the room was filled with this warm natural light coming in through the big window that overlooked the balcony and the garden below. My room was on the second floor, and we had an awesome view of those four massive Lombardy poplars at the end of the garden.

NAME_1 was sprawled on the old couch, half sitting, with her back towards the window. Her shirt was randomly pulled up and she was holding her breasts with her hands from below, looking down at them, as if contemplating something about them very carefully. She's my 14-year-old friend from another world (literally!) who sometimes (actually, quite often) came over to visit through a portal she happened to be able to open between worlds; like, straight out of an isekai, except it's not a manga or a light novel, but real life: *my* real life, to be exact.