Koi ni Koisuru Yukari-chan - Vol. 1 Ch. 10 - Napping

[MangaDex]

 

[alfirizkyr]

お言葉に甘えて doesn't mean "your words are sweet", but "I'll take you at your word" or "I'll take your offer". More literally, it's something more akin to "I'll let myself be spoiled just as you said".

'To spoil' and 'sweet' are both 甘.