When the level of Labor accidents begin to escalate around Tokyo Bay, police detectives Kusumi and Hata are assigned to investigate. What they discover leads to a series of government cover-ups, conspiracy concerning a new biological weapon entitled WXIII-Wasted Thirteen and a tragic, personal connection to Hata. The only hope to stop this threat is to cooperate with the military and lead WXIII into a showdown with the Labors of Special Vehicle Division 2.

Based on the game by Haikuo-Soft. A story about the reunion of 4 childhood friends, Yuzuki, Matsuri, Nono and Makoto, in their deserted old school campus, Mochitsuki Academy. 3 years ago, they buried a time capsule under a tree inside the school and made a promise. A promise to meet again after exactly 3 years from that day. And the day of promise has finally arrived.

A two-part music OVA series never released outside of Japan featuring the main Ranma 1/2 characters. They appear to be having a music contest at a local TV station. As everybody knows, these characters can't get along for more than three minutes and hilarity and hijinks ensue.

Haruno Kasumi is a fourth-grader. Her parents are zoologists who went over to Africa to carry out their research studies. In order to see off her parents, Kasumi arrived at Kasumi Town. In the middle of the town lies an enormous mansion surrounded by the forest. The mansion belongs to the Kasumi household, the family in which Kasumi will be lodging in and taken care of. There is a mysterious aura about the mansion and Kasumi discovers a series of talking appliances. The Kasumi family refers to these creatures as "Henamon". In return for living in with the family, Kasumi will be helping out with the household chores such as cooking and washing. Surrounded by various interesting characters, Kasumi begins a new chapter in her life.