Fighting over a Guy is a Battlefield (新しい部を結成して修羅場, Otoko no Tatakai wa Shuraba) is the fourth episode of the anime series, Ore no Kanojo to Osananajimi ga Shuraba Sugiru. It originally aired on January 27, 2013.
Eita gets up early to spy on Chiwa's first date with Sakagami. Masuzu has the same idea. The two meet up and spy on the date together. It turns out that Sakagami is not the nice person everyone thought he was. He is rude and has a thug like personality. Masuzu, however, knew of Sakagami's true personality and set him up with Chiwa to show her how hopeless love is. Eita jumps in as Burning Fighting Fighter to save Chiwa from utter humiliation but he is beaten down by Sakagami and his friends. A pole lands near Chiwa. She uses the pole to defeat and embarass Sakagami. Eita confronts Masuzu and she admits to throwing the pole and then kisses him. The next day a girl puts a letter in Eita's shoe locker.