Acting cold while pampering you, that's a tsun-sweet boyfriend. My dishonest boyfriend always teases me a little, then spoils me a lot. Living with a guy like this, my life is full of surprises but overflowing with happiness...! (Source: Square Enix, translated)

Tsun-Ama na Kareshi began as a web comic on the author's Twitter account on February 7, 2018 before being picked up by Square Enix for print release. The series has also been published on Gangan pixiv since September 8, 2018. The series has been published digitally in English as Sweet & Tart Boyfriend by Square Enix through Manga UP! and through Comikey since October 28, 2023.