Kanade Kanon, the boyfriend, and the boyfriend’s best pal have a little drinking party. They get drunk, and Kanon has sex with the BF while the friend is at the nearby sofa sleeping. Getting watched while having sex makes Kanon horny AF.
So her next step is to escalate and bang the friend directly. Because why not.
Kanade Kanon, lads, what a smile. I have seen an angel.