15jjj's manga / #sort of(2)

robot stoic logical guy drops a freeloader, freeload torments him eventually they agree to a fwb thing ?

guy accidentally time travels to 2008, falld in love with guy. he goes to the present, and cimes back again. except past guy isn't the same guy but he still dates him. eventually breaks up. realizes he hurt two guys and goes back to the future.. unsatisfying but realistic ending since how can there be a happy ending yk