Dazai is so handsome, he should be a heartthrob.
Mainly recommend pure love (main and recipient)/no CP/romance
Volume 1 is something I have read myself and thought it was okay. It may not be to everyone's liking.
Most of the novels recommended in Volume 2 and the following are those that I have not read or have read part of and cannot finish. They are not to my taste, and they may not be to yours.
CP is Dazai: Volume 3 (Chapter 44), Volume 5 (Chapter 217)
The protagonist is Dazai: Volume 4 (Chapter 184)
Motto: There is hope when there is life