Bakudeku moments that I can't believe are canon, A thread:

Beware, manga spoilers

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Izuku demanding that Mr Compress give Katsuki back to him, and Mr Compress calling him out on being possessive of Katsuki.

Izuku's scream after he was unable to save Katsuki (couldn't find the manga panel for this moment)

Katsuki insinuating that while Izuku trusts All Might with his (Izuku's) life, Katsuki doesn't trust All Might with Izuku's life.

Katsuki admitting that Izuku's self-sacrificing nature makes him wanna keep Izuku at arm's length.

Izuku changes his speech to mimic Katsuki when he gets worked up while Katsuki softens his speech to mimic Izuku's sometimes.

The fact Katsuki instantly changed his interactions with Izuku after he realized that Izuku never looked down at him or hated him. Deciding instantly to atone.

The pure fear on Katsuki's face while Izuku was fighting Shigaraki

"Kacchan!!"
"Keep your eyes on me Deku, you dweeb"

BAKUDEKU BANTER!!!

Izuku unlocking a whole ass quirk and losing control, because Monoma insulted Katsuki.

Unlocking a SECOND QUIRK after AFO impaled Katsuki then insulted his Sacrifice

Katsuki saving Izuku's life

Seeing Izuku about to die made Katsuki have a quirk evolution that gave him the power he needed to save him

Memories of Katsuki and Izuku's relationship flashing past Katsuki's eyes before sacrificing himself

Katsuki feeling like he was going to die as he watched Izuku about to die

Katsuki willingly reimagined Izuku about to die so he could trigger a panic response that allowed him to use the same quirk evolution to save Best Jeanist.

Katsuki ruushing through the hospital with holes in his body in order to see Izuku.

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Feel free to add anything I missed

Extras:

Izuku feeling blessed because he's finally about to have normal-ish conversations with Katsuki

"He's (Izuku's) dead meat if he thinks he can die ON ME (Katsuki)"

Izuku admitting that Katsuki is one of his 'loved ones', the original Japanese said LOVE but the official english translation changed it to 'Near and dear'. Izuku loves Katsuki y'all

Katsuki saying the line "Why am I awake but you're still sound asleep?" A line that basically means that Katsuki had expected to die to save Izuku. But he's awake while Izuku is in a coma.

Katsuki pouting because Fuyumi called Izuku Shouto's friend. He's jealous because he doesn't feel he deserves to be called Izuku's friend yet.