I Told Sunset About You / I Promised You the Moon (known in Thai as แปลรักฉันด้วยใจเธอ; RTGS: Plae Rak Chan Duai Chai Thoe, lit. 'interpret my love with your heart') is a Thai coming-of-age series by Nadao Bangkok. It stars Putthipong "Billkin" Assaratanakul and Krit "PP" Amnuaydechkorn as teenage boys Teh and Oh-aew, and explores their relationship as they come to terms with identity, teenage angst, and love.

The series comprises two parts, with 5 episodes each. Part 1, titled I Told Sunset About You, is directed by Naruebet Kuno, and follows Teh and Oh-aew's lives in Phuket as they prepare for university admissions, while part 2, titled I Promised You the Moon and directed by Tossaphon Riantong, picks up after their entry into university and is set in Bangkok.

The series was released via the Line TV streaming platform, with episodes shown weekly on Thursdays at 20:00. Part 1 was released from 22 October to 19 November 2020, and part 2 from 27 May to 24 June 2021. A 14-minute short film, titled Last Twilight in Phuket, was released on 20 May 2021, serving as a thematic bridge between the two parts. The series was available outside Thailand through Vimeo.

Part 1 of the series was well received, with praise given for its story, performances and cinematography. The series is accompanied by a behind-the-scenes documentary series, as well as original songs and music videos, as part of the promotion plan BKPP Project.