Osananajimi no Watashi wa Mobu de Itai noni, Nazeka Heroine no Ren'ai Taishou ni Natteiru.

Description:
Yukitsuki Mashiro has been reincarnated into the world of a dating game. She decides to live an inconspicuous life as one of the heroines, "Amatsuki Suzuna," but after she helps "Hinase Riri" who is being harassed by a man in the downtown area, she becomes the target of love. What will become of Suzuna, who is surrounded by more and more heroines as everything she does goes wrong...?!
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* Original Web Novel: [link](https://ncode.syosetu.com/n1873ib/?p=1) (Japanese)
* English Translation of Web Novel: [link](https://dobytranslations.com/series/im-a-childhood-friend-and-i-want-to-remain-a-supporting-character-but-for-some-reason-i-became-the-heroines-love-interest/)

This series is being continued as a doujinshi called "Ame nochi Yuki."
English translation is available on Pixiv: [link](ht...