Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2 monsters with different names While this card points to a monster(s), your opponent's monsters cannot target this card for attacks. If a monster(s) this card points to is destroyed by battle or card effect: You can Special Summon 1 Level 4 or lower Insect monster from your hand or GY, but banish it when it leaves the field. You can only use this effect of "Shinobi Insect Hagakuremino" once per turn.
--虫忍 ハガクレミノ
--Shinobi Insect Hagakuremino
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	--Must be properly summoned before reviving
	c:EnableReviveLimit()
	--Link summon procedure
	Link.AddProcedure(c,nil,2,2,s.lcheck)
	--Cannot be targeted for attack while it points to a monster
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_CANNOT_BE_BATTLE_TARGET)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.tgcon)
	e1:SetValue(aux.imval1)
	c:RegisterEffect(e1)
	--Special summon 1 level 4 or lower insect monster from hand or GY
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL+EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_DESTROYED)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.lcheck(g,lc,sumtype,tp)
	return g:CheckDifferentProperty(Card.GetCode,lc,sumtype,tp)
end
function s.tgcon(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetLinkedGroup():IsExists(Card.IsMonster,1,nil)
end
function s.cfilter(c,tp,zone)
	local seq=c:GetPreviousSequence()
	if c:GetPreviousControler()==1-tp then seq=seq+16 end
	return c:IsReason(REASON_BATTLE|REASON_EFFECT)
		and c:IsPreviousLocation(LOCATION_MZONE) and bit.extract(zone,seq)~=0
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp,e:GetHandler():GetLinkedZone())
end
function s.spfilter(c,e,tp)
	return c:IsRace(RACE_INSECT) and c:IsLevelBelow(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND|LOCATION_GRAVE)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<1 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local tc=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil,e,tp):GetFirst()
	if tc and Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP) then
		--Banish it if it leaves the field
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetDescription(3300)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_LEAVE_FIELD_REDIRECT)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CLIENT_HINT)
		e1:SetReset(RESET_EVENT|RESETS_REDIRECT)
		e1:SetValue(LOCATION_REMOVED)
		tc:RegisterEffect(e1,true)
	end
	Duel.SpecialSummonComplete()
end