Mahiro's Wholesome Playdate

Mahiro's Wholesome Playdate (まひろと健全な関係, Mahiro To Kenzen Na Kankei) is Chapter 13 of Onimai: I'm Now Your Sister. It was originally published on Pixiv on February 24, 2018.

Summary
Kaede comes over to study, and brings Momiji with her.

Plot
Kaede is at the Oyama house studying with Mihari. Mahiro comes out of her room and notices her. Kaede subsequently thanks Mahiro for having her over. Mahiro then notices that someone else is over there as well, Momiji.

Mahiro doesn't recognize Momiji and asks who she is. Momiji clarifies that it is her, and Mahiro admits that she didn't recognize her as she's now in girl's clothes. Momiji fidgets with her clothes explaining that's it's her school uniform, and that she and Kaede came here straight after school.

Kaede apologizes for the short notice explaining that Momiji asked to tag along. Momiji insists that it was solely because Kaede was visiting anyway. Kaede remarks that she will be studying for her exams though, much to Momiji's frustration. Kaede, apologizing as she does so, asks Mahiro if she can hang out with Momiji in her room. Mahiro is left overwhelmed at that suggestion.

As Momiji takes in Mahiro's room, Mahiro can't believe that she is alone with a schoolgirl in her bedroom. As Mahiro wonders what she is supposed to do now, Momiji remarks that Mahiro's room is much more like a boy's room than she expected. Mahiro plays along feigning ignorance, while hoping that Momiji doesn't look too closely, especially at the shelves.

Mahiro realizes that she'd better change the subject quickly and remarks to Momiji that she thought she hated girly clothes. Momiji remarks that it's not that she hates them, but that skirts swish around when you walk and that she feels uneasy in them. As Mahiro thinks to herself that she knows the feeling, Momiji adds that its not like she looks good in girly stuff anyway. Mahiro asks her why she would say that, and remarks that she thinks Momiji is pretty cute, Momiji is caught completely off-guard with that and insists that Mahiro is so much cuter than her. Mahiro is also caught off guard and admits that she looks fine but says that that's not the point.

Momiji takes that as a sign that Mahiro is admitting it, and as a penalty game starts tickling Mahiro from behind. As Momiji does this and Mahiro laughs from it, Mahiro wonders if this is what girls do alone or if this is true yuri, deciding that either way it is beautiful. Mahiro eventually has enough and pushes Momiji off her asking for no more of it. Momiji realizes that she overdid it and apologizes.

Mahiro remarks that she thinks if you wear skirts enough you get used to them pretty quick, and adds that you can wear tights and other things under them which helps. Momiji takes that into consideration while Mahiro decides that she could get used to this.

When Mahiro isn't looking, Momiji remarks that Mahiro has a lot of manga and pulls one off the shelf to look at. Mahiro realizes that Momiji is looking at a non-con porn manga about a slave girl and quickly grabs it back telling her not to touch that. Momiji is left feeling uneasy, and Mahiro panics for letting her guard down. Realizing that she has to come up with some excuse, Mahiro claims that the manga belongs to her brother, that this used to be his room, and that she is just using it for now. Mahiro makes up a further story about her nonexistent brother claiming that he got into a good university and moved out on his own a long way from here.

Momiji asks if her brother is into that sort of thing, and Mahiro remarks that she can't just throw out all his stuff and therefore just keeps everything like he left it. Momiji understands, and Mahiro is relived that that bogus story actually worked. Momiji calls it not right though, and says that she can just put the dirty books out of sight, even offering to help. Mahiro tries to find a legitimate excuse to argue, but comes up with nothing as Momiji suggests that they use some nearby boxes. As they put them away, Mahiro insists that they at least keep them sorted, and the two become freaked out by something X-rated on the cover of one.

Eventually they finish the task, putting them into two taped-up boxes. Momiji remarks how much nicer it feels in the room, while Mahiro silently bids farewell to the manga. She does think to herself though that it's not like she has been reading them much these days, as they still freak her out a bit. She also feels okay since they're not throwing them out. Mahiro then tries to get a grip and says that she must remember her male self.

Momiji decides to put the boxes in the closet and struggles to do so. Mahiro warns her to be careful as their heavy, but she ends up falling with them. Momiji bumps her head and asks Mahiro if she's okay, only to find that she landed on top of Mahiro with both her hands groping Mahiro's bust, much to the embarrassment of both girls.

At that moment, Mihari walks in to see what he loud noise was and catches Mahiro and Momiji in the compromising position. Mahiro insists that it's not what it looks like and to not get any weird ideas. Mihari just chuckles and remarks that she never pegged Mahiro for a bottom, and Mahiro is glad for having an understanding sister at least.

Kaede thanks Mihari for everything, saying that she has a good feeling about the exam. Mihari in turn wishes her good luck. Momiji tells Mahiro that she will see her later, and Mahiro agrees. Mihari is so proud of Mahiro for making a friend, while Mahiro remarks that her making friends with a middle schooler at her age makes her feel almost criminal. She adds that on top of that, she basically got molested.

While walking home, Kaede asks Momiji what she did with Mahiro. Momiji says that she's not telling, still remembering how soft Mahiro's bust was in her hands. She feels disappointed by comparison as she checks herself out later, confirming that she is still flat.

Characters

 * Mahiro Oyama
 * Mihari Oyama
 * Kaede Hozuki
 * Momiji Hozuki

Trivia

 * Mahiro references the time she lost her memory and became freaked out by her X-rated hentai manga in "Mahiro Starts Over".
 * The X-rated hentai manga would remain boxed up until Mahiro gets over her fear of them during the events of "Mahiro and the Allure of Bare Legs".