Jounetsu no Arika

Ichiyanagi is a popular director for the theatrical group, "Ichigaya Shark Company." However, he's lost sight of his promise to his late wife, and lives an apathetic lifestyle. Then a young man named Ryuuto appears before him saying, "My whole life is for you"...!? Love has thrust itself upon the man who forgot its meaning, an unexpected love composition!

(Source: Shinshokan, translated)