Jiggle
Swoosh
Gwuuuh
Swiiiiish...
Inside the Fallopian tubes of Fujimiya Megumi
Shuffle
Hyperactivation of the Spermatozoa
Fusion of the sperm with the ovum's zona pellucida (acrosome reaction)
Zona pellucida completely penetrated
Schwomp!
Rub Rub
Whip Whip Whip
Swish...
Shlup!
Whip Whip
Whip
Fertilization
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