Glad to see that someone has taken the time to translate this.
...is my duty to provide.Th-Thank you.The happy forgotten umbrella: Tatara Kogasa
"Kogasa" literally means "little umbrella".It's a rainy day.Kogasa-chan, you've gotten so good at this.Whatever master needs...On rainy days, master makes use of me...So then, excuse me...Well, Kogasa-chan...Right...