Anime confessions are generally teeming with tension. No matter what's revealed, it's been a secret up until that moment, often for good reason. These scenes are often emotional and even further the plots of some tearjerker anime series. Sometimes, however, they're just plain embarrassing.
This is especially true when it comes to declarations of love. A character may be awkwardly trying to explain what they want, like Edward Elric of Fullmetal Alchemist: Brotherhood rambling about alchemy before successfully proposing to Winry Rockbell, and she gets too distracted by his odd percentages to answer. Or maybe the character is called an idiot for revealing their feelings and is utterly devastated, which happens to Mitsuo Yanagisawa in Golden Time.
Few things are more awkward than a love confession that's a total facade. Sakura Haruno has never reciprocated Naruto's feelings for her; instead, she's been nursing a huge crush on Sasuke. When Sasuke defects and becomes an enemy of their village, Sakura believes Naruto is so insistent on finding him is because he promised her he'd bring Sasuke back.
Whether she wants to stop Naruto from putting himself in danger, or protect Sasuke from the possible legal consequences of returning to Konoha, she tries to stop Naruto from pursuing him. She "confesses" that she's fallen in love with Naruto, not Sasuke.
Naruto sees right through her lie. Unfortunately, he also misinterprets her intentions, believing she's lying to herself, not to him. He tells her he's pursuing Sasuke for his own reasons, and she leaves in a huff as onlookers stare in open-mouthed shock.
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This confession isn't romantic, but it's undeniably awkward and misjudged. Reiner Braun has been keeping a secret from the rest of the Survey Corps. When he reveals he's actually the Armored Titan (who worked with Bertolt Hoover, the Colossal Titan, to break through a wall protecting a city from man-eating monsters), it sparks some controversy.
In the middle of an unrelated conversation, Reiner tells Eren Yeager, whose mother died in the attack, that he's the Armored Titan. There's no fanfare, no lead-up, just an utterly unexpected admission. His bluntness, coupled with Eren's stunned reaction and Bertolt's penchant for privacy, makes this acknowledgment truly uncomfortable.
Rem Is Brutally Rejected In 'Re:Zero'
You have to feel some sympathy for Rem. She loves Subaru Natsuki so much she's willing to sacrifice her life for him, but when she finally confesses her feelings, he immediately shoots her down. Subaru respects and cares for Rem, but he's already in love with somebody else, a half-elf named Emilia.
Rem accepts her rejection gracefully enough, but afterward she decides she's willing to do anything Subaru wants, as long as she can be in his life. Does he want a mistress? A servant? She'll do anything, and that desperation is only makes her more pitiable.
Magic can either make or break a sincere moment. Tsunayoshi Sawada, also known as Tsuna, doesn't really intend to confess to his longtime crush, Kyoko, at least not until he builds up his confidence. But when Reborn, a miniature hitman, gives Tsuna a power boost, he inadvertently prompts an unbelievably embarrassing declaration.
Tsuna dashes over to Kyoko and screams that she should date him. To make matters worse, he's in his underwear and his head is on fire. Kyoko runs away, and a classmate knocks Tsuna out, calling him a pervert.