Source Galleries:
https://e-hentai.org/g/184924/aab0f564d4/
https://e-hentai.org/g/12192/7d2cff4995/
https://e-hentai.org/g/853275/c6adcbde92/ [SaHa] (pgs 7,19)

Cleaned and Upscaled with Waifu2x (1.5x)

It's not even that I want to see it, and I can easily imagine why this didn't happen, since I don't think I've ever seen him featured in any doujin, but I notice there's one Servant in the harem that Rin was not intimate with...

Base +21, Beane +7

pg7 - "No matter what world I go to, my boobs are always so small..."

As a weirdo that likes the idea of a large-breasted Rin and therefore seeks out such things (it's something annoyingly uncommon TBH), I think I have enough experience to say that the depiction of Rin in this doujin is actually somewhat bustier than most

Nevertheless, maybe the trick is that it was the Matou mana and Zouken's worms that "blessed" Sakura with her sizable breasts, therefore the issue is that Rin is simply looking in all of the wrong places - she needs to go to an alternate timeline where she's "Matou Rin" and Sakura remains in the Tohsaka family (which, regardless of breast size, is something even more uncommon than just plain old "busty Rin" surprisingly enough despite the whole idea of multiple alternate timelines being canonical in F/sn)



EDIT:: To add weight to this theory, I came across a great comment by "Andrew Greaves" on a Matou Rin / Tohsaka Sakura fanfic titled "Different Fates v3":

"𝐼 𝑤𝑖𝑙𝑙 𝑛𝑜𝑡𝑒 𝑡ℎ𝑎𝑡 𝑜𝑛𝑒 𝑐𝑎𝑛 𝑚𝑜𝑠𝑡 𝑜𝑏𝑣𝑖𝑜𝑢𝑠𝑙𝑦 𝑏𝑙𝑎𝑚𝑒 𝑆𝑎𝑘𝑢𝑟𝑎 𝑀𝑎𝑡𝑜𝑢'𝑠 𝑛𝑜𝑡𝑜𝑟𝑖𝑜𝑢𝑠𝑙𝑦 𝑙𝑎𝑟𝑔𝑒 𝑏𝑢𝑠𝑡 𝑜𝑛 𝑡ℎ𝑒 𝑒𝑓𝑓𝑒𝑐𝑡 𝑡ℎ𝑒 𝐶𝑟𝑒𝑠𝑡 𝑊𝑜𝑟𝑚𝑠 ℎ𝑎𝑑 𝑜𝑛 ℎ𝑒𝑟 ℎ𝑜𝑟𝑚𝑜𝑛𝑒𝑠.
𝐵𝑎𝑠𝑖𝑐𝑎𝑙𝑙𝑦, 𝑡ℎ𝑒𝑦'𝑟𝑒 𝑎 𝑝𝑎𝑟𝑡 𝑜𝑓 𝑡ℎ𝑒 '𝑀𝑎𝑡𝑜𝑢 𝑃𝑎𝑐𝑘𝑎𝑔𝑒' 𝑎𝑙𝑜𝑛𝑔 𝑤𝑖𝑡ℎ 𝑡ℎ𝑒 𝑐𝑜𝑙𝑜𝑢𝑟 𝑜𝑓 ℎ𝑒𝑟 ℎ𝑎𝑖𝑟 𝑎𝑛𝑑 𝑒𝑦𝑒𝑠.
𝑊ℎ𝑖𝑐ℎ 𝑚𝑒𝑎𝑛𝑠 𝑡ℎ𝑎𝑡, 𝑠𝑖𝑛𝑐𝑒 𝑅𝑖𝑛 𝑖𝑠 𝑡ℎ𝑒 𝑀𝑎𝑡𝑜𝑢, 𝑠ℎ𝑒'𝑠 𝑡ℎ𝑒 𝑜𝑛𝑒 𝑡ℎ𝑎𝑡 𝑠ℎ𝑜𝑢𝑙𝑑 ℎ𝑎𝑣𝑒 𝑡ℎ𝑒 𝑙𝑎𝑟𝑔𝑒𝑟 𝑏𝑢𝑠𝑡 𝑜𝑓 𝑡ℎ𝑒 𝑡𝑤𝑜 𝑒𝑥-𝑠𝑖𝑠𝑡𝑒𝑟𝑠, 𝑎𝑛𝑑 𝑆𝑎𝑘𝑢𝑟𝑎 𝑡ℎ𝑒 𝑠𝑚𝑎𝑙𝑙𝑒𝑟. 𝑃𝑒𝑟ℎ𝑎𝑝𝑠 𝑒𝑣𝑒𝑛 𝑚𝑜𝑟𝑒 𝑠𝑜 𝑡ℎ𝑎𝑛 𝑖𝑛 𝑐𝑎𝑛𝑜𝑛, 𝑠𝑖𝑛𝑐𝑒 𝑅𝑖𝑛 𝑖𝑠 𝑎𝑙𝑠𝑜 𝑡ℎ𝑒 𝑜𝑙𝑑𝑒𝑟 𝑠𝑖𝑠𝑡𝑒𝑟.
𝑆𝑜, 𝑙𝑒𝑡'𝑠 𝑠𝑎𝑦 𝑡ℎ𝑎𝑡 𝑆𝑎𝑘𝑢𝑟𝑎 𝑇𝑜ℎ𝑠𝑎𝑘𝑎 𝑤𝑜𝑢𝑙𝑑 𝑏𝑒 𝑎 𝑠𝑖𝑧𝑒 𝑜𝑟 𝑡𝑤𝑜 𝑠𝑚𝑎𝑙𝑙𝑒𝑟 𝑡ℎ𝑎𝑛 𝑅𝑖𝑛 𝑇𝑜ℎ𝑠𝑎𝑘𝑎 𝑤𝑎𝑠 𝑖𝑛 𝑐𝑎𝑛𝑜𝑛, 𝑤ℎ𝑖𝑙𝑒 𝑅𝑖𝑛 𝑀𝑎𝑡𝑜𝑢 𝑖𝑠 𝑎 𝑠𝑖𝑧𝑒 𝑜𝑟 𝑡𝑤𝑜 𝑙𝑎𝑟𝑔𝑒𝑟 𝑡ℎ𝑎𝑛 𝑆𝑎𝑘𝑢𝑟𝑎 𝑀𝑎𝑡𝑜𝑢 𝑤𝑎𝑠 𝑖𝑛 𝑐𝑎𝑛𝑜𝑛."


EDIT 2: Digging farther into the comments on the very same "Different Fates v3" fanfic reveals more theory-crafting that Sakura's larger breast size could alternatively (or perhaps additionally) be due to the Edelfelt genes in her due to the Tohsaka-Edelfelt genetic connection.

This could farther point towards the idea that Rin is simply looking in the wrong places because I would imagine that Rin would find the idea of having even more Edelfelt genes to a complete non-starter, and the same undesirable-ness applies to the idea of having to deal with Matou's worms as well (or worse yet for Rin, a single timeline of having more Edelfelt genes 𝑎𝑛𝑑 having to deal with Matou's worms!)

Last edited on 14 February 2024, 05:50.

Base +6, nasilacus +6

Rin's small boob size is probably due to some malnourishment. Specifically having to work with Kirei's eating habits and due to skipping breakfasts.

Contrast that with Sakura who started going over to Shirou's house when she was around 14 1/2. She was getting 3 full meals a day pretty much for a good while, right at the beginning of puberty for her. Thus she got more nutrition.

So Rin probably got fucked over due to her own eating habits and due to how Kirei ate.

Base +7, nasilacus +6

@ warellis

It's also mentioned (at least in the VN, no idea about the anime) that Sakura has been concerned about her weight and general over-eating, so you may be on to something there.

And like I mentioned above, it could even be a combination of various factors - for all we know maybe it's the combination of being "well fed", getting the right Edelfelt genes, and the "Matou worms" that all came together to create such a difference in boob size in Sakura compared to Rin.

Base +6