Confessions in anime are always a big deal. The confessor spends too long overthinking the situation, works up the nerve, and then makes a dramatic show of asking out their love interest. It's a trope as old as the genre itself, and any anime fan has seen it dozens of times before. However, some characters don't get their happily ever after in romantic comedies.
Source：https://www.cbr.com/anime-characters-rejected-love-interest/
