SSIS-454 Chance Encounter With Ex Bf Leads To Crazy Sex
Riri Nanatsumori is dating a coworker named Osawa SSIS-454. She likes him, but if anything, he is too kind and soft for her taste. At the same time, she also has a coworker named Takeda, her ex-boyfriend, an asshole type who got promoted lately.
One day Takeda and Riri collide on a business trip, and he makes her remember the good old times by giving her some “proper stimulation.”