50 to 4 tsu no Wasuremono

"50 and 4 things left behind" is Junko's solo song and one of the hits that catapulted her to fame, also as Junko reveals that song is sung to feel better.

Lyrics
Kanji= 遠くに夕日を見る 彼は明日また私を訪ねてくるのだろうか ポニーテールが緩み始めます そして私の悲しい心は空のように赤くなる do~ru~ururu do~udo~urururu do~urururu do~urururururu Rōmaji= Tōku ni yūhi o miru ashita mata kite kureru no ka na ponītēru ga yurumi hajimemasu soshite watashi no kanashī kokoro wa sora no yō ni akaku somatte imasu do~ru~ururu do~udo~urururu do~urururu do~urururururu

English (Unofficial)= Seeing the sunset in the distance I wonder if he will visit me again tomorrow My ponytail begins to loosen And my sad heart turns red like the sky do ~ ru ~ ururu do ~ udo ~ urururu do ~ urururu do ~ urururururu English dub=

Trivia

 * This is the song Ai was listening to at the beginning of the episode and the reason why she blushes.
 * It is revealed by Sakura that she had heard that song before in commercials, not knowing that it was Junko's.
 * The name of the song is a reference to Junko's chronological age of 54 years.

50 to 4 tsu no Wasuremono