Dotted line; stylized as 점선면 (1 to 3)) is the third extended play by South Korean singer-songwriter Suho.

[1][2] In addition, he also include in the schedule his soundtrack titled "Love You More Gradually" for the drama he starring in.

The opening track, "Mayday", is a "dreamy psychedelic" alternative rock song with a "string sound" of a "beautiful yet sad melody" and the lyrics "depict a journey to find a soulmate who has set off together towards the same dream in the middle of an infinite universe".

[13] The second track, "1 to 3", is a British rock song with "disco-style funky guitar" and "bass riffs", and the lyrics "describe a space that gradually expands into dots, lines, and planes, like different dimensions".

[5] The fourth track, "Wishful Thinking", is an alternative rock song with a "simple rhythm" and "cool vibe melody", expressing "honest emotions in the face of distorted reality".