Studio Apartment, Good Lighting, Angel Included, Vol. 6

It's been almost a year since Shintaro discovered Towa on his balcony, and he can't help but reflect-time has flown by, and he's actually grown used to having an angel at his side. After celebrating the anniversary of their first meeting, Shintaro expects his everyday life to continue as always. That is, until he opens his curtains to find...a second Towa?!