diff --git a/main.py b/main.py
index 89f0e11..b8d9c61 100644
--- a/main.py
+++ b/main.py
@@ -36,7 +36,7 @@ class Handler:
       self.app.reply(self.st, "accepted")
 
     mod = self.app.mods["elicense"]
-    mod.watch(self.st["id"], date, slots)
+    mod.watch(date, slots, lambda: self.app.reply(self.st, "reservation made"))
 
 
 class App:
diff --git a/mods/elicense.py b/mods/elicense.py
index a7bfabd..0dbde2e 100644
--- a/mods/elicense.py
+++ b/mods/elicense.py
@@ -1,9 +1,10 @@
+import datetime
+import dateutil
 import logging
 import json
+import re
 import requests
 
-from html.parser import HTMLParser
-
 
 def init(CONFIG, logger):
   logger.setLevel(logging.DEBUG)
@@ -15,12 +16,16 @@ class Mod:
     self.URL     = "https://www.e-license.jp/el25/pc/"
     self.CONFIG  = CONFIG
 
-    self.logging = logging
-    self.targets = []
+    self.logging  = logging
+    self.targets  = []
+    self.calender = None
 
     self.ss = self.authenticate()
 
   def cycle(self):
+    if len(self.targets) == 0:
+      return
+
     res = self.ss.post(
       url  = self.URL+"p04a.action",
       data = {
@@ -30,15 +35,46 @@ class Mod:
         "b.schoolCd" : self.CONFIG["school"],
       })
     res.encoding = "shift_jis"
+    self.calender = Calender(res.text)
 
-    parser = ReservationListParser()
-    parser.feed(res.text)
+    now   = datetime.datetime.utcnow() + datetime.timedelta(hours=9)
+    today = now.strftime("%Y%m%d")
 
-    return
+    for target in self.targets:
+      for slot in target[1]:
+        begins = now.combine(now.date(), TIMETABLE[slot])
+        border = begins - datetime.timedelta(hours=2)
 
-  def watch(self, date, slots):
-    self.logging.debug("watch request accepted: {} {}".format(+date+slots))
-    self.targets.append((date, slots))
+        if target[0] != today or now < border:
+          if self.calender.checkAvailable(target[0], slot):
+            self.make_reserve(target[0], slot)
+            target[2]()
+            break
+    self.targets = []
+
+  def watch(self, date, slots, cb):
+    self.logging.debug("watch request accepted, {} {}".format(date, slots))
+    self.targets.append((date, slots, cb))
+
+  def make_reserve(self, date, slot):
+    res = self.ss.post(
+      url  = self.URL+"p03a.action",
+      data = {
+        "b.schoolCd"           : self.CONFIG["school"],
+        "b.processCd"          : "V",
+        "b.kamokuCd"           : 0,
+        "b.instructorTypeCd"   : 0,
+        "b.dateInformationType": date,
+        "b.infoPeriodNumber"   : slot,
+        "b.carModelCd"         : self.calender.carModel,
+        "b.instructorCd"       : 0,
+        "b.page"               : 1,
+        "b.groupCd"            : self.calender.group,
+      })
+    res.encoding = "shift_jis"
+    self.calender = Calender(res.text)
+
+    self.logging.info("reservation made, {}:{}".format(date, slots))
 
   def authenticate(self):
     ss = requests.Session()
@@ -53,6 +89,8 @@ class Mod:
           "b.kamokuCd"     : "",
           "method:doLogin" : "ログイン".encode("shift_jis"),
         })
+      res.encoding  = "shift_jis"
+      self.calender = Calender(res.text)
       self.logging.info("authenticated")
       return ss
     except Exception as e:
@@ -60,22 +98,36 @@ class Mod:
       return None
 
 
-class ReservationListParser(HTMLParser):
-  path = []
+class Calender:
+  def __init__(self, text):
+    m = re.search(RE_ERROR, text)
+    if m is None:
+      m = re.search(RE_ALERT, text)
+    if m is not None:
+      raise Exception(m[1])
 
-  def handle_starttag(self, tag, attrs):
-    self.path.append(tag)
+    self.avails = re.findall(RE_AVAIL_SLOT, text)
 
-    c = [x[1] for x in attrs if x[0] == "class"]
-    if len(c) == 0:
-      return
+  def checkAvailable(self, date, slot):
+    for avail in self.avails:
+      if avail[0] == date and avail[1] == str(slot):
+        return True
+    return False
 
-    if tag == "td":
-      print(c)
-      return
 
-  def handle_data(self, data):
-    return
+TIMETABLE = {
+   1: datetime.time( 9,20),
+   2: datetime.time(10,20),
+   3: datetime.time(11,20),
+   4: datetime.time(12,20),
+   5: datetime.time(14,10),
+   6: datetime.time(15,10),
+   7: datetime.time(16,10),
+   8: datetime.time(17,10),
+   9: datetime.time(18,10),
+  10: datetime.time(19,10),
+}
 
-  def handle_endtag(self, tag):
-    self.path.pop()
+RE_ALERT      = re.compile(r"window\.alert\('(.*)'\)")
+RE_ERROR      = re.compile(r"<.*? class=\"errorTitle\">メッセージ<\/.*?>\s*<.*? class=\"errorDisp\">(.*?)<\/.*?>", re.MULTILINE)
+RE_AVAIL_SLOT = re.compile(r"^\s*<a href=\"#\" onclick=\"sendContent\('(\d+)','(\d+)','V',document\.getElementById\('formId'\)\)\">$")