
Questions & Answers about karaoke ni ikou.
に marks the destination of movement here.
In カラオケ に 行こう, the verb 行く means to go, and に shows where you are going:
- 学校に行く = go to school
- 駅に行く = go to the station
- カラオケに行こう = let’s go to karaoke
With motion verbs like 行く, に often works like to in English.
行こう is the volitional form of 行く.
The volitional form is often used to mean:
- let’s go
- I’ll go
- shall we go? depending on context
So:
- 行く = go / will go
- 行こう = let’s go
In this sentence, 行こう sounds like a suggestion or invitation.