Kimi ni Kawaii to Sakebitai

Kiriyama is a doll otaku who gets nervous and tense when people talk to her, making it difficult for her to communicate well at work. One day, she is shocked to discover that Minami (Ruby), a new employee, looks exactly like her beloved doll. Kiriyama gradually opens up to her, but she discovers her hidden hobby...

(Source: Kadokawa, translated)

Note: Originally self-published on Twitter, was then licensed by Kadokawa for commercial release.