Ishizawa Umi

From Chibi Manga: Kanata is cheerful and friendly. kasumi who can only look at the senpai she love from afar, is very inexperienced in love and her heart thumped unstopably by kanata closeness …!? Friendly boy and inexperienced in love girl, a refreshing heart thumping love!

Saya is shy around boys, so one of her classmates decides to exchange notes with her. Short but sweet, something else could be born.

Viola, the daughter of a declining count (she was Japanese in her previous life), was married off to Albert―the next duke―by her parents. However, on the very first night of their marriage, her husband declares, "All I ask of you is that you carry out your role as the wife of the duke in appearance only," effectively shattering any hope of a romantic relationship. Despite the soul-destroying statement from him, Viola picks up the pieces and starts to live happily and without restraints, announcing, "Forget my ice-cold, rude husband. I’m gonna live my life the way I want!" However, her new husband and mansion seem to hide a secret...?! (Source: K Manga)