School Rumble S01E17 - Giraffe's Feeling in the Peak of Summer! A Panic Party in the End of Summer! Summer's Over, So We're Changing Now!

Yakumo and her friends are tasked with caring for a giraffe. Thinking he needs exercise, she takes him on a nighttime walk with Sarah. Touched by Yakumo's kindness, the giraffe suddenly recalls his long-lost master—and bolts into the night! Chaos—and a strange kind of party—ensues.