Either an actual depiction of a sperm cell hitting an egg, or a scene where the female is saying that she will become pregnant as a result of being cummed inside.
See also fertilization, and female fertilization for the female-only/sperm-free counterpart.
The following tags are aliased to this tag: impregnate (learn more).
View wiki
Pixiv
Twitter
Bluesky
Weibo
Lofter
Tumblr
