Osamake: Romcom Where the Childhood Friend Won't Lose Season 1 Episode 4

Sueharu thought he had carried out his plan to perfection at the confession festival, but what he thought was just a little idea of his own ended up involving everyone around him, and when he confessed to Kuroha, she rejected him. Kuroha answered his feelings with a hard no, and Shirokusa had to hear him say that he "was" in love with her, but no longer is. And now, a newcomer is about to make this love triangle even more complicated...