Sauce on this doujin?
>>15547626
i think its called Xenogears Erotic Scribbles
from mochi (rin)
>>15547779
I can confirm the artist is Mochi.
(C88) [RIN (Mochi)] Xenogears no Eroi Rakugaki Bon Part 7 (Xenogears)
page 15
https://exhentai.org/g/973094/6216380159/