1.a high school student,,,is a gangster son or he looks like one,,,in a runny day he meet other student of the next class or something happen with a umbrella...that boy is the same age of his older brother +20,,,in his high school age a thunder get and something like 6 to recuperate,,,and every his nervous or super happy and maybe mad...he do little thunders and he fall for that gangster kid have sex...

2.A busy worker have his full time and his house is terrible dirty and hires and group of people to clean and after they leave,,,one of the guy return because hi forget his cell phone and his but on the man a handcuffs and somethings happening(don;t remember)

3.is similar to the start of
koi wo itsumo arashi no youni of scene in the train you know similiar start to the,,,and you know one like the classic follow the train until the train disapear ,,,

and thank before hand

The first one is the first story from Dakishimetakunai.

The second one is Akutai wa Toiki to Mazariau.