meeeeeeeeeeeeeeeeeeee's Questions (4)

Can anyone help me T T, it’s a manga about two boys in high school who fell really in love for each other and the ml was so cute and innocent for the ml, the mc was blonde and had a shitty house hold and his dad was upset at him for almost ruining his campaign so ml was sent to London as like an exile bcz of his shut politician dad, and the Mc met a black haired fkr that he met at the gate of his high school that he thought was dangerous. The mc got so depressed he spiraled and fks with the black haired guy time skip to their toxic ass relationship. The black haired guy fkd the Mc over and this goes on for years. The Mc gets a chance to come back to Korea to meet the ML and the blackhaired guy gets in his way. Thats pretty much all i remember from the plot T T. Please if u know the title let me know. I was so emotionally invested and thought i saved it to want to read T T but i cant find it maybe im blind but please help me ♀♀

Im looking for a manhwa about regression but in the modern world and he is like a phone developer and creates a phone just like an iphone but its called colors from what i remember, ╥﹏╥

Please help me find this manga
Its about a dude that went back in time and started to invest money and take it back before the economy crashed i think he started doing this when he was in his teens and worked with a foreign dude that previously worked in the wall street. It might be a adventure/fantasy genre if i am remembering correctly hes saving money to be prepared for a gate that will open up idk.
Please, PLEASE HELP ME

im looking for a yaoi manga plz help me
its a manga about a boy that lives with his dad and his recruited athletes i think and he cooks for them in the dorm. He is so pretty that "his future bf" mistakes him for a girl in the beginning. Thats all i remember plz help me find it