Very dark comedy.

Captions, translated:
--Father who I owe so much to
--Mother who I owe so much to
--Younger sister who I owe so much to
--Grandfather
--Grandmother
--Friend
--Friend of a friend
--Friend of a friend of a friend
--Boss from work
--High school principal
--Clerk from the neighborhood convenience store
--Cafeteria lady
--Waitress from Ikitsuke family restaurant
--Nurse from the hospital I go to
--First love
--The taxi driver from yesterday
--That foreign guy who asked me directions recently
--The girl I did once
--The guy who did me once
--That couple I see frequently
--Rookie J Leaguer [J League is the Japanese pro soccer league]
--Pet turtle
--Alien who I owe so much to
--Porn actress I owe so much to
--Supercar
--Wife (flashback: she says "Useless. Doesn't do a goddamn thing. Stupid. Loser. Garbage.")
--Jun Ideguchi of the Yokohama F Marinos