Server
After a heavy rain, the city is victim of what appears to be a flood. A closer examination will quickly prove to Asahi that this is not the case: the entire lower part of the city has been attacked by a giant slime, and moreover, it did not come on its own initiative...
Episodes
1Did You Call for Your Big Sister? 2You Call Me Your Sister? 3My Sister, Maya-nee, Is All I Need 4The Big Plan for the Home of the Ikusaba Brother and Sister 5The Ikusaba Brother and Sister's Big Dungeon Exploration Plan 6The Hero and the Big Sister 7Portrait of a Certain Big Sister and Little Brother 8I Can't Raise My Sword Against a Girl 9The Preferred Form of a Big Sister 10My Amazing Little Brother 11Shark from Another World 12Big Sister Forever