2477. This #kanjipuzzle is about evolution. Start with one character, add a few strokes, and get another, then repeat. 一 -> ? -> ? -> ? -> ?-> ? -> ? -> ? -> 蓄


一 -> 二 -> コ -> 口 -> 日 -> 旧 -> 田 -> 畜 -> 蓄  

一  ICHI, ITSU, hito(tsu) - one

二  NI, futa(tsu), futa - two

コ  Katakana "Ko"

口  KOU, kuchi - mouth

日  NICHI, JITSU, hi, ka - sun, day

旧  KYUU, KU - old, former

田  DEN, ta - paddy field

畜  CHIKU - animal raising, domestic animal

蓄  CHIKU, takuwa(eru) - store, save, put aside