Bottom left box, 純白な犬 might be an idiom, not sure.
SLAPMmh❤Eeep❤Peeking through the door, I saw my mother swinging her hips in rhythm with his erect member.Cumming......Oink❤You don't mind your daughter hearing?*flinch*Oiiinkk❤❤BOINGHey now!
Lift your ass higher!One night, while staying at my mother's house, I heard spanking and muffled breathing from her bedroom(laughing) What's with the oinking?SLAPI'm cumming❤*squeeze*Far from her dignified appearance during daytime, in the dimly lit room her vulgar expressions and improper movements resembled those of a snow-white dog.*tremble*SLAP*shiver*