Love-Hate

Portrays Iwaizumi & Oikawa as ex-lovers who meet again after several years as neighbors and bicker accordingly.

Bittersweet relationship caused by the seme being willfully ignorant towards the uke's feelings.

The staple of this genre - the seme and uke get into a sexual relationship in spite of the fact that they're enemies.

Not completely love-hate, but some bittersweet beginnings a la seme's cold attitude towards the uke.

Mostly bickering between two friends who keep sleeping in the same bed.

Slow-burn romance because of the seme's apparent coldness.

The couple's relationship is just kind of bittersweet due to the amount of problems they end up facing and their different personalities.

Mostly due to the starkly different personalities between the seme and uke.