1224. This #kanjipuzzle is about evolution. Start with one character, add a few strokes, and get another, then repeat. 一 -> ? -> ? -> ? -> ? -> ? -> 提

Answer:

一 -> 二 -> コ -> 口 -> 日 -> 是 -> 提

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

是  ZE - right, correct, just

提  TEI, sa(geru) - submit, present, carry in hand