You can Download the Lyrics of Manike Mage Hithe Song here
As per Wikipedia:
Yohani Diloka De Silva, popularly known as Yohani, is a Sri Lankan singer, songwriter, rapper, music producer, YouTuber and businesswoman. She started her music career as a YouTuber.
The Original Song is
Manike Mage Hithe is a 2020 Sinhala song by Satheeshan Rathnayaka
You can Also Checkout One of the best Cover on Hindi Son by Yohani here :
Pehla Nasha / Penena Nisa (පෙනෙනා නිසා) - (Cover) Yohani ft Aurin Martinez