HUNTB-049 No bra + camisole × plain-looking, secretly busty stepsister = that means I can lick her breasts until her nipples are visible through the fabric, right?! My parents remarried and now I have a kind and intelligent stepsister…

義姉はすごく真面目で女性らしくないんだけど、私は学校の成績が悪くて、彼女が勉強をたくさん手伝ってくれるの！でも夏になってから…今まで彼女の胸に気づかなかったんだけど、キャミソールの下にブラジャーなしで巨大なおっぱいがあることに気付いたの！！何も知らなければ、勉強だけじゃなくて日常生活も台無しになるわ！正直に言ったら、慣れるまで触らせてくれるかも！？彼女はすごくいい人だけど…熱すぎる！！我慢できなくなって彼女のおっぱいを舐め始めると、彼女は超ビッチになって、中出ししてって言い出すのよ！

My sister-in-law is quite sober and not very womanly, but I'm terrible at school so she helps me study a lot! But when summer came... I hadn't noticed her chest before, but now I see that she actually has huge tits under her camisole without any bra!! If I don't know anything, it's not just my studies, but also my daily life that will be ruined! Maybe if I tell her honestly, she will let me touch them until I get used to them!? She's so nice... but it's too hot!! When I can't take it anymore and start licking her tits, she turns into a super huge slut that starts asking me for a creampie!