https://www.myfonts.com/fonts/jipatype/hadsai/

Hadsai, rounded shape, stem lines are of two different thicknesses, look like handwriting. It comes with a dlig feature that is enabled to raise the letter to zigzag. Like a wave on the surface of the sea water, it feels friendly, cute, clear, dynamic, fun, casual. Suitable for headline and sub-headline. Available in 9 weights, both upright and italic, total of 18 styles.