Reincarnated as a Losing Heroine's Ahoge

I'm just a ahoge, but I'll work hard with my favorite losing heroine to snap her doom flags into pieces! I suddenly departed this life at 38, single, only to realize I had been reincarnated in another world. However, I wasn't reincarnated as a human, nor a demon or a monster. Much less a weapon or a tool. —I was just a cowlick. You've got to be kidding me, hey! What the hell is this?! I'm literally just parasitizing someone's stray hair! What am I supposed to do with this?! No way in hell! ...But wait a second. This host... Isn't she "Riina," a heroine from that light novel I used to love reading in my past life?! Since she was my absolute favorite character, my excitement shot through...