daijina_hanashi_wo_kokuhaku_to_itte_shimatta_uta_(vocaloid)
「大事な話」を「告白」と言ってしまった歌 ("Daijina Hanashi" wo "Kokuhaku" to Itte Shimatta Uta) is a Vocaloid song by Kawaiivocalo featuring Hatsune Miku. It became a meme on TikTok and has been used for animations under the name "I'm going to confess to you on Valentine's Day."