Bittersweet || IwaOi

In which Oikawa comes to terms with losing.

Contains: a lot. Mild smut, implied and vaguely cheating but it's not a huge plot point, angst, possessive behavior, subspace, aftercare, unrequited love, the whole shebang.
also the pacing is so shit like wow

~Excerpt

Iwaizumi clenched his jaw, leaning against the island.
"Be nice to her, you piece of shit. I love her."

Oikawa glared up at him, blaming the angry tears forming in his eyes on the onions he was previously chopping. "Don't come at me with those fucking lies."

Iwaizumi's eyes filled with anger, lips curling into a sneer. "And what would you know about love, Tooru? You only care about yourself."