ＨＡＩＫＵ ｅａｓｙ
Another one is,
痛まない 胸を隠して 戯れる（いたまない むねをかくして たわむれる）
Literal Translation: don't hurt, hide the chest, play (in the beach)
1) Free Translation: Young girl plays in the beach, her no pain chest is hidden (by swimsuit).
In childhood most children don't hurt in their chest because of parent's love, there is no love affair. And young lady sometimes has her chest pain.
戯れる means play, so "遊戯 means game".
2) Structure: 5-7-5
3) Human Being or Human Society: Human being, young girl
4) Nature or Season: Season. She plays in the beach, so MIZUASOBI(water + play) is KIGO of summer.
5) Motivation of making HAIKU: pretty and no troublesome.
6) Technics: the words to image swimsuit, before youth, nostalgic days
→Ｎｅｘｔ Ｐａｇｅ