Suicide Boy is a Manga/Manhwa/Manhua in english language, School life series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Lee Hoon is a 17 year old shut-in/highschool boy who wants to commit suicide, but can’t decide on the method of his death so he wants to test all the various ideas he comes up with. Hooni is current living alone suicidally depressed over the debts left by his run away abusive drunk of a Father and the hospital bills racked up due to his now deceased Mother’s illness, with very little savings he’s also been unable to pay his rent for months, even at school he’s bullied.