Reading That Time I Got Reincarnated in a Thin Book! "Even though I was a nearly 40 year old man, I still came like a girl..." / 転生したら薄い本になった件 「アラフォーのおっさんなのに女の子みたいにイカされるなんてっ…」 [Nagiyama] [Tensei Shitara Slime Datta Ken] Page 19