Paizuri + fellatio with some modifiers.

Here's all the tags used for training, divided into categories:

Angle:

from side, pov,

Clothes (or lack thereof):

nude, nipples, partially clothed, covered shoulders, under clothes, over clothes, bare shoulders

Eyes:

half-closed eyes, eye contact, eyes closed, one eye closed, looking at viewer, looking at penis

Male Actions:

grabbing another's hair, hand on another's head, grabbing another's breast, straddling paizuri

Female Actions:

squeezing own boobs, licking, :>=, smiling,

Female Position:

lying on belly, feet up

Cum:

cum on boobs, cum on face, cum on penis, projectile cum

Misc:

ass, thighs, lipstick ring, piercing

Censorship:

mosaic censor, bar censor, blank censor