Haitoku wa Amaku Mushibamu

Anna, a reporter on sweets, likes Toranosuke, a patissier. She wants to develop her love to him, but his twin brother Ryunosuke always gets in the way. Soon, however, she gets aware that she likes Ryunosuke as much as Toranosuke.

Chapter 4 features an unrelated side story about a career woman who has been dumped by her boyfriend, but injures her legs, but luckily a certain co-worker that's considered useless comes into her aid. The co-worker had therefore been assigned to take care of her, where romance blooms, but...

*Chapter 1: Immorality Undermines Sweetly
*Chapter 2: The Pleasure of Immoral Secrecy
*Chapter 3: The Bitter Taste of Immoral Bliss
*Chapter 4: Passion and Secrets
*Chapter 5: Sweet Dandy Whispers (unscanlated)
*Chapter 6: Passionate Night (unscanlated)