Terra from FFVI in a similar pose to the pic of Rikku in the references.

Greenish hair is preferred instead of blonde. Realistic proportions like in the references.

Natsu is binding over a tennis net in a filed, (like reference image) looking backward so we can see her face, her cute white panties is lowered to her mid-tight, cum is dropping from inside her pussy into her panties, she is happy and her face is red a little

Eiichiro standing behind her fking her in doggy style cumming inside her, ( you can make his body see through to some degree if needed to have a good view of natsu and there contact point

Lightning poses with her back to the viewer while she turns around to rest her hand on fangs head who gropes and kisses her ass.