# Musical announcements for Japanese drama Mou Papa

> Live situation record from CLSTR: https://clstr.news/situations/musical-announcements-for-japanese-drama-mou-papa
> Updated: 2026-09-20T02:07:08.000Z. Sources: 3. Developments: 2.

Details have emerged regarding the musical contributions to the upcoming Japanese drama ‘Mou Papa!’, which is set to premiere on October 4 on ABC TV and TV Asahi. The series explores family dynamics and identity in the age of social media, focusing on a daughter whose life is used by her father for viral content.

Initial announcements confirmed that singer Aimyon will perform the theme song, ‘Saganara Lonely’, a track written specifically for the series to express themes of loneliness and self-determination. This was followed by the announcement that singer-songwriter Sumina Maruyama will provide the insert song ‘Daisuki I love you’, a pop love song reflecting the protagonist's feelings. Maruyama is also scheduled to release her first full-length album on November 11.

## Timeline

### 2026-09-20: Sumina Maruyama to perform insert song for new drama “Mou Papa!”

Singer-songwriter Sumina Maruyama will perform the insert song “Daisuki I love you” for the upcoming drama “Mou Papa!”, alongside the release of her first full-length album in November.

2 sources. https://clstr.news/cluster/sumina-maruyama-to-perform-insert-song-for-new-drama-mou-papa

### 2026-09-17: Aimyon to perform theme song for new drama ‘Mou Papa!’

Aimyon will perform the new song ‘Saganara Lonely’ as the theme for the upcoming Japanese drama ‘Mou Papa!’, premiering October 4, which explores the impact of social media on family dynamics.

2 sources. https://clstr.news/cluster/aimyon-to-perform-theme-song-for-new-drama-mou-papa

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Cite as: Musical announcements for Japanese drama Mou Papa. CLSTR, https://clstr.news/situations/musical-announcements-for-japanese-drama-mou-papa