Unexpectedly Naughty Fukami

Kaji consoles a coworker who discovers he'd been dating a married man, and then happens to spot Fukami out with a lady as well, shopping for a ring! The stunned Kaji decides to ask the people at IT if Fukami has a fiancee, only to learn Fukami has been out for the last three days. A concerned Kaji heads to Fukami's house...