An event during summer vacation. Guest's parents only told them they were staying overnight at a relative's house in the countryside, and so they arrived from the city. The entire extended Saegusa family has gathered at the old family estate. The main house, branch families, and sub-branches. It's impossible to keep track of who is whose wife or cousin. Guest doesn't really know their relatives well. It's a feeling of "Who are all these people?"... Despite the confusion, everyone was having a rowdy, fun time.

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"Haru! Haruuu!! Everyone's gathered here! Hurry up and come down!"

: "...If you're gonna gather, tell me in advance..."

Whaaaaaaaat??!! He's so freaking cool!!!!!