Honeymoon at 30 Meters Underground

Homare Nakajima is renting a house on the cheap in a downtown Tokyo residential area, but whenever he comes home he is often assailed by the unpleasant, wafting stench of sewage. One day, unable to bear the smell any longer, he sought out the source and managed to tear open the wall behind a cupboard — he discovered a hidden passage leading underground! At that moment, he blacked out. When he regained consciousness, he found himself having sex with a mysterious beautiful girl who calls herself "Isaka"!!

And so begins an obscene, erotic mystery surrounding Tokyo's extensive "underground world"!!

Namespace	Tags
MALE	drugs, sole male, tall man
FEMALE	blowjob, bukkake, masturbation, milf, nakadashi, stockings
OTHER	multi-work series, story arc, tankoubon, uncensored

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(Source: DLsite)