A series of summer gags.

The sextuplets take care of Iyami but soon regret it. Later, Hatabou wants a friend.

In a parody of Romance of the Three Kingdoms, Emperor Osomatsu and a group of bizarre generals attempt to take over the country. Meanwhile, in the real world, Osomatsu joins Todomatsu at a mixer, struggling to keep his perverted instincts in check.