About the Mint Chocolate Manga Volume 6

Peace has returned to the Suzumura family after the departure of Nanami's cousin, Subaru...or so it seems. The reality, however, is that even though Nanami and Kyouhei are acting the part of a happy couple, Nanami's been growing more and more distant. Caught off-guard by her sudden aloofness, Kyouhei faces the Herculean task of puzzling out what is bothering her and how he can fix it...