yeahh it was the first time i heard it too hahahaha
most the things I read are rated R and i really learn a lot from them haahhahah
yeah mentioning of shape is rare in bl manga i guess but the vertical shape is common when one used their hole too much lmao
we do be learning from bl manga/manhwa hahshsjjsjs
when you learn more about anatomy in yaois than in anatomy class
hahahahhaha i get you i don't even remember some of the things i learned in class hahahahah
Now I know of vertical and everyday yaoi teaches me something I didn't knew before.
thanks yaoi.