A Puppet On a Lonely String

The Keroro Platoon is infected with a strange concoction of Kururu's that strengthens the uneasiness in their hearts. All except one, anyway: Private Second Class Tamama. It's up to him to save them. But what trials await along the way, especially when every turn leads to a turbulent reminiscence from Tamama's past? (A story centered around Tamama with lots of KeroTama.)