(Title)
I Was Just an Only Child Boy, Now I Became One of a Four Quadruplet Sisters
(Author)
Toharumina
とはるみな
(Synopsis)
In the bon festival which had the hottest temperature of the year. Yuki Morishima was working in a humid room with no air conditioning for the sake of a black company. When he tried to take a break he collapsed.
But when he woke up next, he became a girl, became a baby, became a part of a quadruplet. With identical girls.
(Genre)
Comedy Fantasy Gender Bender School Life
(Link)
Ch 1-55 : http://www.mediafire.com/file/no0u6ilalisyd86/I_Was_Just_an_Only_Child_Boy%252C_Now_I_Became_One_of_a_Four_Quadruplet_Sisters_%255B1-55%255D.pdf/file
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Just a low quality pdf I made for myself, just sharing it here just in case