しよ

let's do, I'll do

→ 為る
verb Rare #35,163
let's do, I'll do A casual shortened spelling of しよう.
JA: 今日はここで勉強しよ。
EN: Let's study here today.
Conjugation of 為る
Imperfect
Present
Desiderative future
Irrealis
Quotative
Potential present
Desiderative present
Potential future
Subjunctive present
Imperative present
Jussive

“そうしよ”やないよ

Don’t say, “Let’s do that.”

— Love Letter (1995)

私たちだけの秘密にしよ

Let's keep it our little secret.

— When Marnie Was There (2014)

どないしよ

What should I do?

— Love Letter (1995)

節子めしにしよ

Setsuko, let's eat.

— 火垂るの墓 (1988)

どうしよ~。

What should I do~?