Sakunosuke Oda vs. Ryūnosuke Akutagawa

Sakunosuke Oda vs. Ryūnosuke Akutagawa is a battle fought between Port Mafia members Sakunosuke Oda and Ryūnosuke Akutagawa.

It happened at a man-made forest after Oda flees from the Mimic soldiers.

Prologue
Oda rescues Akutagawa from Gide after Akutagawa is held at gunpoint by Gide. Oda soon dashes for the exit route. He is soon welcomed by the concentrated fire of Mimic soldier's automatic rifles. Oda, still holding Akutagawa, avoids the line of fire and runs away as quickly as possible while firing warning shots to the enemy. As they took cover, they broke for the man-made forest and sprinted through it.

After being guaranteed protection, Oda puts down Akutagawa and introduces himself to Akutagawa. Oda offers to extend a hand to Akutagawa however the latter simply clutches his abdomen without moving.

Battle
Oda suddenly had a vision. Akutagawa tells Oda that he have heard about him and Oda confirms that he is Dazai's friend. Akutagawa then shows his rage after revealing what Dazai told him about not being being able to defeat Oda even if he train for a hundred years. Oda soon sees a vision where Akutagawa attacks him. Oda is able to dodge the attack.

Akutagawa continues to attack Oda. Oda shoots his pistol to Akutagawa but the latter sliced the space before him with his Rashōmon and the bullet stopped. Oda, knowing Akutagawa's defense mechanism, uses the opening to slide to Aktuagawa's side and kick his wounded arm. Akutagawa soon fall unconscious due to the pain.

Aftermath
After their battle, Gide appears at the forest's entrance with three of his men.

Novel and Anime Differences

 * After leaving the art museum, Oda is originally attacked by some Mimic soldiers.
 * Oda's attack is originally him kicking Akutagawa's injured arm instead of punching him on the stomach.