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

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...?! ___ * Original Web Novel: (https://ncode.syosetu.com/n1873ib/?p=1) (Japanese) * English Translation of Web Novel: (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: (https://www.pixiv.net/user/122109038/series/315614)