YOU SAID:

I was walking home after school and suddenly I fell into a storm drain, yes a storm drain

INTO JAPANESE

私は放課後帰宅していて、突然私は雨が降ってしまいました。

BACK INTO ENGLISH

I came home after school, suddenly it rained.

INTO JAPANESE

放課後帰宅したが、突然雨が降った。

BACK INTO ENGLISH

I came home after school, but suddenly it rained.

INTO JAPANESE

放課後帰宅したが突然雨が降った。

BACK INTO ENGLISH

I came home after school but suddenly it rained.

INTO JAPANESE

放課後帰宅したが突然雨が降った。

BACK INTO ENGLISH

I came home after school but suddenly it rained.