If you're looking for anime similar to The Secretary and the Boss's Virginity: Delicate Underwear, you might like these titles.
Minori, an office worker and her boss Hadano, are constantly arguing with each other. One night, after a company drinking party, Minori and Hatano are having their usual argument, when Minori realizes that she missed the last train. They decide to spend the night at a nearby capsule hotel, but an incident forces them to share the same unit.
The attractive owner of a love hotel falls in love with her handsome manager. Their different class backgrounds come between them, and she is tempted by the arrival of a rich American magnate.
Follows Tsumugi, a female college student who carries trauma from an aggressive man in her past. She meets Kaname at a mixer she requested specifically for unaggressive "herbivore"-type men. She and Kaname hit it off, and Kaname resembles Tsumugi's older brother a little bit, so she relaxes her guard around him. Kaname, however, feigns to be a "herbivore"-type man, but is in reality an aggressive "carnivore"-type man, and he can change his demeanor in an instant.
Ryo and Souma are finally a happy couple. Their days are filled with love... until Ryo's ex-boyfriend shows up at her workplace!
"Do my fingers turn you on?" Fumi works as an assistant at a popular salon in town. One of the top hairdressers, Sosuke, is her trainer. One day, during training, Fumi accidentally splashes water onto Sosuke... She thought that he would be angry, but...?! "Why can't I touch you?" She's charmed by his beautiful fingers...she can't deny him...
26-year-old virgin office worker Nagisa takes a trip with the aim of improving on her shyness, and has a chance meeting with a yakuza member named Sazanami. She begins a relationship with him after they stay together for one night.
Watase applies for a quality control tester job and ends up with a box full of XL size condoms. Her boss Sudo offers help with the "testing" which leads her to learn a lot about XL. Add another XL guy, Riku, and...?! An XL love triangle story starts here!
Fujihashi Ryo enjoys her job as an office worker well enough, but it doesn’t hold a candle to the exciting job of her childhood friend Mizuno Souma, who works as a fireman. He and his handsome buddies are more than happy to entertain ladies with their heroic tales. Ryo wants to set up Souma with a girl in her office, but he’s too much of a playboy to settle down…or so she thinks. It turns out that he has the hots for her, and when he rescues her from a fire in her building, a different kind of spark begins to fly!
Asumi becomes a housekeeper for single father Naruse. Together with Naruse's son, Ichika, this heart-warming relationship continues until Asumi notices his true feelings for Naruse. Naruse's colleague Yui warns Asumi about Naruse's past... What secrets will be revealed? Is this pure love or just..?! I'm supposed to be straight but... Naruse is too sexy and... I can't stop myself...!