When I let my best friend's girlfriend stay overnight after missing the last train, she was forced to stay, and even when my best friend came to pick me up, she was so excited that she kept fucking her.

On the night when my best friend and her girlfriend had an octopus bro, my best friend's girlfriend unexpectedly confesses that she had actually loved her for a while! He becomes interested in his girlfriend, a best friend who was originally a close female friend, and later, when the two of them drink alone, they end up getting drunk and seducing him, crossing the line. I feel so much of a sense of pleasure and body compatibility with the pleasure I get through in guilt! In the end, he continues to fuck his best friend's girlfriend until the morning, and even tricks his boyfriend who comes to pick him up, he ends up in forbidden transfer and creampie sex...