It's Hinata's idea (obviously). Everyone at the training camp gets involved (except for the few people who have more common sense than that or, alternatively, more pressing matters to attend). Shenanigans ensue. Contains: - Flying mattresses (sort of) - Idiots in love - Way too many sun metaphors - People panicking - People not panicking - People wondering how they got involved in this nonsense in the first place - Singing - Did I mention the idiots in love?