They are both LGBTQ+ films with multiple BL couples. The characters in "Because of You 2020" may be more underdeveloped compared to the characters in Addicted Heroin. Both of these short dramas have sweet characters that keep you hooked on . ;)
Both of these dramas are BLs and have such sweet plot lines. In both of these shows, one of the ML are hesitant to accept the confessions and enter the relationship. The other ML takes the lead and pours his heart out to his love.