Ayamachi sukuranburu
Season 1
Risa, who works at an interior design company, has a crush on her colleague Shinsuke. One day, a woman named Shoko, who has adult sex appeal, appears in front of Risa and Shinsuke. When Risa learns that Shoko is secretly meeting Shinsuke even though she is married, she suspects that the two are having an affair and tries to separate her.