Katakoi Opera summary:

From Fluffwords:Akuta falls in love easily and will always fall for others. His childhood friend, Ao, has been crushing on him for 10 years. Always protecting Akuta, Ao will destroy any hope of Akuta’s unrequited love reciprocating his feelings as Akuta always returns to Ao’s side when he is heartbroken. The Ao who has been thinking “I have to make him realize these intense feelings and this painful desire” will eventually...?