- “I want to defeat Muzan, and then die. I pray my impure blood is somehow cleansed. I want to be reborn into a peaceful world without demons. And then next time, I can tell you I love you.”
- — Obanai's internal dialogue to Mitsuri, Chapter 188
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Obanai fell deeply in love with Mitsuri when he first met her. He's strongly protective of her and dislikes it when other people or demons call her dumb or air-headed. Obanai also becomes jealous when Tanjiro says he spent some time at Mitsuri's estate and is extra hard on him during training.
In Infinity Fortress Arc, they fight Upper Moon Four together, demonstrating impressive teamwork but still failing to take down the demon, who is killed by Muzan instead. The duo then join Tanjiro and Giyuu's battle against Muzan.
When Mitsuri gets injured, Obanai is by her side immediately and orders a nearby demon slayer to take care of her before returning to the battlefield. As he leaves, Mitsuri cries out his name and begs him to not get killed. Obanai's bandages around his mouth unravels and his disfigured mouth is revealed, but he ignores it in favor of avenging what Muzan did to Mitsuri.
After the battle against Muzan, Obanai hugs Mitsuri and they confess their love for each other and promise they will get married if they reincarnate before dying due to their injuries.
In chapter 205, we see Obanai and Mitsuri reincarnated and married as they promised before they died and they are running a restaurant together.
In the fandom, they’re shown getting food or eating a lot because of Mitsuri’s love of food. There is also a notably heavy dose of angst and fluff in ObaMitsu fanworks, mainly because of Obanai's dark past and his facial deformity. Works often have Mitsuri comforting Obanai and being his pillar of support when his past bothers him.
- The socks Mitsuri currently wears were a gift from Obanai.
- Although they are often drawn eating together, Obanai never eats with Mitsuri because he doesn't want to scare her with his scars.
|SHIPS||het||GiyuShino • ObaMitsu • SaneKana • TanKana • ZenNezu|
|slash||InoTan • SabiGiyuu • SaneGiyuu|
|family||GenSane • NezuTan|