Animation film celebrating the 50th anniversary of the Senba Center Building. Based on the manga "A manga in the Semba Center Building" by You Machida. One day, manga artist YOU Machida received a request to draw the Semba Center Building, which was celebrating its 50th anniversary. This is the story of a quiet dialogue between a manga artist who has suffered from depression in the past and the Senba Center Building, a generous old commercial facility that has lived for 50 years in the middle of Osaka, over a four-day period.

ある日漫画家・町田洋の元に「開業50周年を迎えた『船場センタービル』を描いて欲しい」との依頼が届いた。 過去に「うつ病」を患っていた経験を持つ現代を生きる漫画家と、大阪のど真ん中で50年間生きてきた、歳をとったおおらかな商業施設『船場センタービル』の４日間のしずかな対話のお話。