I know how that feels. The stress of schoolwork, homework, projects all while balancing your personal life, you barely find things to do or clear some time for your self and your personal interests. And on top of that, having a short attention span is SOOOOO tiring.
Here are some that have caught my eye and I was able to read through pretty quickly:
https://www.mangago.me/read-manga/19_days/
https://www.mangago.me/read-manga/soloist_of_the_prison/
https://www.mangago.me/read-manga/one_day_suddenly_seoul_is/
https://www.mangago.me/read-manga/homeless/
Also, one more thing. You might wanna look into the horror genre. Most horror mangas / manhwas get my attention pretty fast, especially the gory ones. It might not be the same, but it's worth a shot.
Go to sleep
You caught me
I remember in school I barely has 4 hours of time to read mangas only when i sacrifice my sleeping time , cuz school, coachings, homework, then projecs watching anime and studying took lots of my time.. it's stressing but part of teenage life
Sameee....... That is why I started adding stories.... Cuz, once I get my hand on a job.... Imma gonna read them in a month..... I still read the ongoing/new ones cuz that way I won't read too much at once.....
If I don't have time to read or I have exams or any school sht coming up I have tons of things that I wanna read but when I don't have anything going on I don't feel like to read. Wtf is wrong with my brain like i wanna read but i dont want to and i have to since when school starts I won't have time to read. I'd be focusing on my plates as a first year engineering student and I NEED TO READ SOMETHING INTERESTING NOW NOT LATER DO RECOMMEND ME ONE