Koibito Swapping Shinyuu no Koibito o Ore wa Daki, Ore no Koibito wa Shinyuu ni Dakareru The Motion Anime

恋人スワッピング 親友の恋人を俺は抱き、俺の恋人は親友に抱かれる The Motion Anime / Koibito Swapping Shinyuu no Koibito o Ore wa Daki, Ore no Koibito wa Shinyuu ni Dakareru The Motion Anime

The main character, Kotaro, and the heroine, Rina, are lovers who started dating when they entered the school.
He got along well with his best friend Hajime and his girlfriend Mayu, who were in the same class, and often acted together.
After the test, the four of us go out to play in the city, and on the way back we stop by Ichi’s house and chat happily.
It was a common thing to do so, but I wonder if there was a feeling of liberation after the test,
The erotic story that started as a joke takes an unexpected turn.
“Don’t you care what other people are doing?”
The sex show that started with that word.
The appearance of the friends you usually play with that you shouldn’t be able to see.
Their own secret deeds that have been shown.
Shame, jealousy, immorality, and various other emotions are mixed, and the excitement you feel for the first time…
The actions of the four people who were addicted to them gradually escalated――