Tumulus Gal Coffy goes to Tumulus High School, where a barrow tomb from the Yayoi period, the royal successor of the tumulus world, a grave from America, a commander from the Sengoku period as a teacher, and various other tumuli gather. Enjoy the tumuli love, friendship, and youth depicted in a cemetery school love comedy.

The TV adaptation of the ONA series. It aired alongside Himitsu Kessha Taka no Tsume as part of THE FROGMAN SHOW.

The sequel to Cofun Gal no Coffy (TV). This is a college campus life comedy about 20-year-old college student Coffy, her boyfriend Nintoku-kun, her childhood friend Daniel, her love rival Dorothy, and Okehazama-sensei, who quit being a teacher and became the chief of the college mart.

Coffy, Daniel, and Okehazama-sensei accidentally entered the Forbidden Room behind the school building of Tumulus High School. When they managed to get out, they realized they had slipped back in time! Why did Okehazama-sensei become a fallen soldier? The truth behind the famous Japanese historical event, the Battle of Okehazama, is revealed!

Coffy and Daniel were practicing the Japanese lion dance for their exhibit in the school festival, when Abukuma-san started yelling at them for being so loud. Coffy's temper snaps, and she hurls his beloved bonsai at him. Daniel becomes convicted for damaging property. What will become of the trial?

The Frogman Company presents, a Tumulus Cinderella Story! Once upon a time, a gentle girl named Coffy lived a life of misery, being treated like trash by her sister-by-law Daniel and her family. Coffy was not allowed to go to the dance party where Prince Charles would choose his bride, but... 

A new season of Taka no Tsume celebrating the 20th anniversary of the series.