Responses
https://www.mangago.me/read-manga/kimi_to_iru_shima/
https://www.mangago.me/read-manga/capture_me_with_an_expert_kiss/
https://www.mangago.me/read-manga/ouroboros_1/
https://www.mangago.me/read-manga/love_sick_dog/
presumably you want some pigment (melanin), not something that helps you sleep (melatonin)

I need more of themmm I can never get enough. I'm tired of seeing everyone white I want some melatonin