Naojiro Hayashi, the younger half of music duo Hirakawachi Icchome, made his solo debut on Friday. He attended the preview screening of the movie, "Lemon no Koro," which he sings the theme song for. At the event, he publicly performed the song, titled "hikari," for the first time.

Hayashi also makes his screen debut in "Lemon no Koro," alongside co-stars Nana Eikura and Mitsuki Tanimura. The movie opens in theaters on the 31st, and Hayashi's single goes on sale on the 28th.