Shinyuu ni Koi Shita

She thought "friendship" was something beautiful and unwavering—… Aira seemed like a perfect lady, beautiful, intelligent, highly respected and trusted by those around her. The only person who can expose her true self is her best friend, Irino. However, Aira has feelings for Irino that goes beyond being best friends. But she didn't want a "lover" relationship because she knew that that could end one day... If that were the case, it would be better to just remain friends. She had believed that their friendship would last forever, but an unexpected revelation from Irino changed her feelings into something twisted... (Source: Mecha Comic, translated)