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Welcome to Happiness! (1x17)

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The call Tatsuhiro received was from the class representative from High School, Megumi who he ends up meeting with. He admits to her that he is a hikikomori, so she invites him to her successful senpai who can supposedly cure him of his NEET problems. However once arriving to a weird seminar Tatsuhiro has noticed that he has wondered into a Pyramid Scheme.