Shichigosan
七五三
Rite of passage for the children of 3, 5 and 7 years old, who often dressed in their best kimono pay homage to their tutelary god, express their gratitude for their life so far and pray to grow up healthy and strong.

3、5、7歳のときに祝う儀礼。晴れ着をまとって氏神に参詣し、これまでの成長を感謝し、これからの健やかな成長を祈願する。

For more information see EOS