Iwaoi My Sister Took My Iwa-chan...

This is an Iwaizumi x Oikawa fanfiction
BEFORE READING
LACKS ANGST WARNINGS Except in the Table Of Contents.
Summary.
Ayane, Tooru's sister is daiting Hajime Iwaizumi; Tooru's love interest. Tooru hid it, hid his love for his long time best friend; he wasn't the best but it was good enough to fool Ayane, but not his parents. Tooru and Ayane were always close with their parents so keeping this secret from Ayane wasn't the easiest. Tooru would never forgive himself if he broke Ayane and Hajime's relationship he wanted them both to be happy even if that meant he wasn't happy...