My Adorable Junior Coworker Is Actually Very...

Story :  "I won't let you feel lonely ever again."
Yuki is 27 years old and hasn't had a boyfriend in seven years, but that's over now! Her junior coworker, Mashiro, is the perfect gentleman. He's cute, kind, and has even confessed his love to Yuki! However, after one month of dating, they haven't done anything more than kiss! It's driving her crazy. She wants more already! After two months of waiting, things still haven't progressed.
Then one day, they get caught in the rain and end up in a love hotel! Mashiro thinks it's just a good place to wait until the rain lets up, but Yuki has other ideas...?