Toilet-Bound Hanako-Kun 17

Nene has managed to escape the final resting place of all the kannagi sacrificed in this town, reuniting with Kou and the boy they now know to be a younger version of Tsukasa. As the beginning of the Yugi family tragedy is finally unveiled, Kou sees a chance to put everything to rights--if they can all escape the Red House. But this cursed mansion has already made the consequences of trying to free Tsukasa from its clutches very clear...--