I Became a Side Character in a Romantic Comedy Manga, and When I Tried to Assist the Protagonist, for Some Reason, the Heroines Liked Me

One day, I woke up to find myself transformed into Tachibana Chihaya, a side character from the popular romantic comedy manga “I Can’t Stop Loving You!” Chihaya is a bit of a cynic and not very well-liked in his class, but he’s known to be on good terms with the protagonist, Hiroto Takahashi. Since I’ve become a character who’s disliked, all I can do is support the protagonist. I’m determined to stay in the shadows and support Hiroto’s love life, but― For some reason, I’m getting along well with the main heroine, Riko Ayase, and I’m even receiving advances from other heroines― What’s going to happen to me…