Reading the other manga, usually what happens after page 25 (and 27) is straight to the action. But the author suddenly reminded himself this is the all-ages version and had to change what happened.
If this is all a "chapter zero" prologue for a heartwarming, soul-building slice of life romance, and assuming the author pulls it off - then the manga automatically enters the annals of peak
"I now go to school with three alien girlfriends?"