(Kimi no Sentaku.) [osos (Pukapuka)] Hitotsu Yokereba mata Futatsu (Undertale)

(きみの選択。) [osos (ぷかぷか)] ひとつよければまたふたつ (UNDERTALE)

Parodies undertale 52K
Characters papyrus 77K sans 77K
Tags brother 18K males only 22K incest 23K yaoi 24K skeleton 161K
Artists pucapuca 161K
Groups osos 161K
Languages japanese 6K
Categories doujinshi 33K
22 pages
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Story & Details

(Kimi no Sentaku.) [osos (Pukapuka)] Hitotsu Yokereba mata Futatsu (Undertale) is a doujinshi based on undertale featuring 22 illustrated pages.

This work is created by pucapuca and was published on February 21, 2026.

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